Prof. Dr. Md. Abul Hasnat Joarder

ENT Specialist in Dhaka Bangladesh

  • Qualifications: MBBS, FCPS (ENT)
  • Position: Ex-Chairman of ENT & Head of Otology, Bangladesh Medical University (BMU), Dhaka, Bangladesh
  • Specialization: Otolaryngology – Head & Neck Surgery
  • Sub-Specialty/Interest: Otology, hearing loss – prevention, investigation, treatment and rehabilitation; advanced surgical procedures for hearing restoration including cochlear implants; Management of Tinnitus and Vertigo.
  • Year of Experience: 38 years
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About Our Consultant :

Professor Md. Abul Hasnat Joarder is a distinguished Otolaryngologist – Head & Neck Surgeon of Bangladesh with decades of experience in clinical practice, postgraduate medical education, and academic research. He is widely respected for his contributions to ENT training, surgical mentorship, and scholarly activities in South Asia.

Professor Joarder has served in senior academic and administrative positions in reputed medical institutions, where he has played a pivotal role in shaping undergraduate and postgraduate ENT education. His academic career is marked by sustained involvement in teaching, curriculum development, supervision of postgraduate thesis  / dissertations, examination duties, and participation in national and international academic forums.

He has a strong interest in otology, neurotology, head & neck surgery, and evidence-based ENT practice, and is recognized for his structured clinical approach and commitment to academic rigor. His experience as an examiner, thesis supervisor, and academic reviewer makes him well-qualified to serve as an external examiner in Otolaryngology and related biomedical disciplines.

Professor Joarder has contributed to medical literature through peer-reviewed publications, conference presentations, and invited lectures, and remains actively engaged in continuing medical education and academic collaboration.

Educational Qualifications

  • MBBS – Sylhet M.A.G. Osmani Medical College, Sylhet, 1982
  • FCPS (ENT) – Bangladesh College of Physicians and Surgeons (BCPS), 1990
  • Additional Fellowships / Training:
  • Otology & Audiology update course, Otology Centre, Bangkok, Thailand, 1996.
  • Endoscopic sinus surgery course, Metro Multispeciality Hospital, Noida, India, 2001.
  • Clinical fellowship training in Madras ENT Research Foundation, Chennai, India 2004 with Prof. Dr. Mohan Kameswaran.
  • Observership in PD Hinduja National Hospital and Medical Research Centre, Mumbai, India, 2006 with Prof. Dr. M.V, Kirtane.
  • Hearing CRC & Royal Victorian Hospital, Melbourne, Australia, (Melbourne University on Cochlear Implant Surgery)-2010.
  • House Ear Institute, Los Angeles, USA, 2010.
Academic Experience

Total Academic Experience is 30 Years.

Professor of Otolaryngology – Head & Neck Surgery

Bangladesh Medical University (BMU), 18 years.

Associate Professor of Otolaryngology – Head & Neck Surgery

Bangladesh Medical University (BMU), 6.5 years.

Assistant Professor of Otolaryngology – Head & Neck Surgery

Bangladesh Medical University (BMU), 1.5 years.
Rangpur Medical College, Rangpur, 2.8 years.

Registrar of Otolaryngology – Head & Neck Surgery

Dhaka Medical College Hospital, 1 Year.

Clinical Experience

40 Years Clinical Experience

Areas of Expertise
  • Otology & Neurotology
  • Cochlear implant
  • Chronic Ear Disease & Tympanoplasty & Ossiculoplasty
  • Cholestetoma Surgery / Mastoidectomy Surgery
  • Deafness / Hearing Loss / Hearing Expert
  • Hearing Aid
  • Single Sided deafness
  • Malignant Otitis Externa
  • Sudden Sensorineural Deafness
  • Otosclerosis
  • Otosclerosis
  • Meniere’s disease
  • Tinnitus
  • Vertigo
  • Prevention of Deafness
  • Neonatal Hearing Screening
  • Thyroid Surgery / Management of Thyroid Cancer
  • Head & Neck Surgery
  • Rhinology & Endoscopic Sinus Surgery
  • General Otolaryngology
Education & Training

30 Years Teaching Experience

  • Undergraduate teaching in ENT (MBBS): for 3.8 years.
  • Postgraduate teaching (FCPS / MS / DLO level): for 26 years.

Worked as: lead / co-ordinator  / member in curriculum development, question setting and question moderation board.

Extensive experience in academic evaluation with prior experience as:

  • Internal examiner: FCPS (Bangladesh College of Physicians and Surgeons (BCPS)
  • MS (Bangladesh Medical University / BMU)
  • MS (Dhaka University)
  • MCPS (Bangladesh College of Physicians and Surgeons (BCPS)
  • DLO (Bangladesh Medical University / BMU)
  • DLO (Dhaka University)
  • External examiner: MS (Tribhuvan University, Kathmandu, Nepal)
  • MS (Dhaka University)

Thesis Supervision & Examination
  • Postgraduate thesis (MS) / Dissertation (FCPS) supervised: ⬜ 40 +
  • Familiar with ethical review, thesis defense, and viva voce examination
  • Prior experience as examiner and reviewer

Research Interests
  • Prevalence of Deafness (PI Deafness)
  • Prevention and control of Deafness
  • Chronic otitis media
  • Hearing loss
  • Cochlear Implant
  • Malignant Otitis Externa
  • Sudden Sensorineural Deafness
  • Medical education in Otolaryngology

Our Services

Prof. Dr. Md. Abul Hasnat Joarder offers a full range of expert ENT services, combining decades of clinical experience with advanced technology.

Ear & Hearing Care
  • Hearing Loss Evaluation & Management
  • Hearing Aid Consultation & Fitting
  • Cochlear Implant Surgery & Program
  • Neonatal Hearing Screening
  • Single-Sided Deafness Treatment
  • Sudden Sensorineural Hearing Loss Treatment
  • Tinnitus (Ear Noise) Management
  • Meniere’s Disease Treatment
  • Vertigo & Balance Disorder Management
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Advanced Ear Surgery (Otology & Neurotology)
  • Tympanoplasty (Eardrum Repair)
  • Ossiculoplasty (Middle Ear Bone Reconstruction)
  • Mastoidectomy Surgery
  • Cholesteatoma Surgery
  • Otosclerosis Treatment
  • Malignant Otitis Externa Management
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Nose & Sinus Care (Rhinology)
  • Endoscopic Sinus Surgery
  • Sinusitis Treatment
  • Nasal Allergy Management
  • Nasal Blockage / Breathing Issues
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Throat & Head-Neck Services
  • Thyroid Surgery
  • Thyroid Cancer Management
  • Head & Neck Tumor Surgery
  • Voice & Throat Disorder Treatment
  • Tonsil & Adenoid Problems
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General ENT Care
  • Ear Infection Treatment
  • Nose, Throat Checkups
  • Pediatric ENT Care
  • Preventive ENT Health Services
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Specialized Programs
  • Deafness Prevention & Awareness
  • Cochlear Implant Program
  • Audiology & Speech Therapy Support
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Publication

Book Publication :

Book (Co-author of a chapter) :
  • Alauddin M, Joarder AH. Deafness in Bangladesh. In: Suzuki J, Kobayashi T, Koga K (Eds.): Hearing Impairment An Invisible Disability How you can live with hearing impairment. Springer, Tokyo, 1st ed, 2004.

Journal Publications :

1992
  • Saha SK, Joarder AH. Osteogenesis imperfecta with vertigo. Teacher’s Association Journal (TAJ), 1992; 5(2): 104–105.

1993
  • Saha SK, Joarder AH, Alauddin M, Ahmed KU. Hemangioma of the maxilla. Teacher’s Association Journal (TAJ), 1993; 6(1): 61–63.

1995
  • Joarder MAH, Amin ASA, Siddiquee BH, Mahamood MHS, Hasan M, Mahmud SSA. A study on post-tonsillectomy haemorrhage. Northern Medical Journal, 1995; 4(1): 19–22.
  • Amin ASA, Joarder MAH, Hoque GHMS, Islam MA, Bhattacharjee B, Kasem MA. Wire prosthesis in mandibulectomy. Northern Medical Journal, 1995; 4(1): 52–54.
  • Joarder MAH, Amin ASA, Haque GHMS, Islam MA, Ali MA, Akhter MB. Post-operative complications of tonsillectomy. Teacher’s Association Journal (TAJ), 1995; 8(1): 18–19.
  • Joarder MAH, Amin ASA, Khan AH, Rashid MA, Hoque GHMS, Islam MA. Indications of tracheostomy. Northern Medical Journal, 1995; 4(2): 12–14.
  • Mahmud SSAA, Hassan M, Joarder MAH, Amin MN. Clinicopathological diagnosis of nasal masses: A study of 100 cases. Sir Salimullah Medical College Journal, 1995; 3(2): 80–83.

1996
  • Amin ASA, Joarder MAH, Farid N, Islam MS, Ahsan MZ, Akaiduzzaman DGM. A study on complications of chronic suppurative otitis media. Northern Medical Journal, 1996; 5(1): 1–4.
  • Kader KM, Chowdhury T, Joarder MAH, Ali AO, Shamsuzzaman M. Clinical pattern of cancer: A study at Rangpur Medical College Hospital. Northern Medical Journal, 1996; 5(1): 17–19.
  • Haque GHMS, Joarder MAH, Amin ASA, Islam MS, Ahsan MZ, Akaiduzzaman DGM. Pattern of ENT diseases: An outpatient-based study in Rangpur Medical College Hospital. Northern Medical Journal, 1996; 5(1): 52–55.
  • Hassan M, Joarder MAH, Dutta PG, Haroon AA. A study on bithermal caloric test. Sir Salimullah Medical College Journal, 1996; 4(2): 61–63.

1997
  • Houque SA, Amin MN, Abdullah M, Tarafdar KH, Joarder MAH. Relationship between deviated nasal septum and middle ear cleft pathology. Journal of Bangladesh College of Physicians & Surgeons, 1997; 15(2): 46–49.
  • Siddiquee BH, Joarder MAH, Chowdhury MA. Denture in oesophagus: A clinical study. Bangladesh Journal of Otorhinolaryngology, 1997; 3(2): 56–57.
  • Siddiquee BH, Joarder MAH, Alauddin M. Hemangiopericytoma of the head and neck region: Report of three cases. Journal of Medical Teachers Federation, 1997; 3(1): 30–31.
  • Tarafdar KH, Haroon AA, Hoque SA, Joarder MAH. Role of fine needle aspiration cytology in the diagnosis of neck mass. Bangladesh Medical Journal, 1997; 26(1–2): 14–17.

1998
  • Siddiquee BH, Akhter N, Joarder MAH, Akaiduzzaman DGM, Alam ABMK. Hoarseness of voice: An aetiological analysis. Bangladesh Journal of Otorhinolaryngology, 1998; 4(1): 7–8.
  • Tarafder KH, Abdullah M, Siddiquee BH, Hoque SA, Joarder MAH, Chowdhury MA. Tuberculosis of nasopharynx: A clinicopathological study. Bangladesh Journal of Otorhinolaryngology, 1998; 4(1): 9–11.
  • Joarder MAH, Haque MJ, Moula MR, Amin ASA, Farid N. Association between parental smoking and incidence of tonsillectomy in children. Mymensingh Medical Journal, 1998; 7(1): 11–13.
  • Tarafdar KH, Abdullah M, Alauddin M, Hoque SA, Chowdhury MA, Joarder AH. Inverted papilloma of the nose and paranasal sinuses. Journal of Institute of Postgraduate Medical Research, 1998; 13(1): 20–22.

1999
  • Siddiquee BH, Alauddin M, Joarder MAH, Tarafdar KH, Akhter N. Pharyngocutaneous fistula following total laryngectomy. Journal of the Medical Teachers Federation, 1999; 4(2): 45–47.
  • Joarder MAH, Tarafdar KH, Siddiquee BH, Amin ASA, Alauddin M. Bedside tracheostomy in intensive care unit. Bangladesh Medical Journal, 1999; 28(1): 15–16.
  • Joarder MAH. Postgraduate training in otolaryngology in Bangladesh (Editorial). Bangladesh Journal of Otorhinolaryngology, 1999; 5(1): 1–2.
  • Joarder MAH, Mahmood MHS, Siddiquee BH, Tarafder KH, Alauddin M. Plasmacytoma of larynx : a case report. Journal of the Medical Teachers Federation. 1999; 4 (2): 63-65.

2000
  • Siddiquee BH, Amin ASA, Joarder MAH, Choudhury AA, Akhter N, Uddin MM, Hossain MD. Canal down mastoidectomy: Review of 100 cases. Bangladesh Journal of Otorhinolaryngology, 2000; 6(2): 49–51.

2001
  • Siddiquee BH, Alauddin M, Tarafdar KH, Joarder MAH, Kamruzzaman M. Risk of recurrent laryngeal nerve palsy: A clinical review. Bangladesh Journal of Otorhinolaryngology, 2001; 7(2): 26–28.
  • Huq AHMZ, Biswas AC, Joarder MAH, Alauddin M. Primary tuberculosis of larynx: A case report. Bangladesh Journal of Otorhinolaryngology, 2001; 7(2): 51–52.

2002
  • Joarder MAH. Prevention and control of deafness in Bangladesh: In search of a national policy (Editorial). Bangladesh Journal of Otorhinolaryngology, 2002; 8(2): 29–30.
  • Majed MA, Joarder MAH. Otorhinolaryngology in Bangladesh: Historical background. Bangladesh Journal of Otorhinolaryngology, 2002; 8(2): 40–42.

2003
  • Alauddin M, Joarder MAH. Management of thyroid carcinoma. Bangladesh Journal of Otorhinolaryngology, 2003; 9(2): 33–37.
  • Joarder MAH, Kamal N, Haque MB. Noise and hearing health. Bangladesh Journal of Otorhinolaryngology, 2003; 9(1/2): 42-45.

2004
  • Alauddin M, Joarder AH. Deafness in Bangladesh. Hearing Impairment: An Invisible Disability, 2004.
  • Hassan MM, Joarder MAH, Alauddin M. Prevalence of chronic suppurative otitis media in slum areas of Dhaka city. Bangladesh Journal of Otorhinolaryngology, 2004; 10(1): 1–6.
  • Alauddin M, Joarder MAH. Management of thyroid carcinoma in Bangladesh. Indian Journal of Otolaryngology and Head & Neck Surgery, 2004; 56(3): 201–205. (Indexed)
  • Kamal N, Joarder AH, Chowdhury AA, Khan AW. Prevalence of CSOM among children living in slums of Dhaka city. Bangladesh Medical Research Council Bulletin, 2004; 30(3): 95–104. (Indexed)
  • Sattar MA, Joarder MAH, Alauddin A. Vestibulo-auditory dysfunction in tuberculous patients. Bangladesh Journal of Otorhinolaryngology, 2004; 10(2): 28–34.
  • Joarder MAH, Taous A, Uddin MM, Ahmed K, Khan FA. Management of sudden sensorineural hearing loss. Bangladesh Journal of Otorhinolaryngology, 2004; 10(2): 59–61.
  • Alauddin M, Joarder AH. Management of thyroid carcinoma. The Orion Medical Journal, 2004; 18 (May-August): 163-166.

2005
  • Taous A, Dutta PG, Joarder AH, Hossain D, Kamal SS, Rahim M. Acoustic neuroma: A clinical study of 45 cases. Bangladesh Journal of Otorhinolaryngology, 2005; 11(1/2): 1–6.
  • Chowdhury PK, Chakraborty T, Joarder AH, Alam MM, Alauddin M. Hearing status among children in a deaf school in Dhaka city. Bangladesh Journal of Otorhinolaryngology, 2005; 11(1/2): 7–12.
  • Biswas AC, Joarder AH, Siddiquee BH. Prevalence of CSOM in school-going children. Mymensingh Medical Journal, 2005; 14(2): 152–155. (Indexed)

2006
  • Huq AHMZ, Biswas AC, Kabir MS, Joarder MAH, Bhuyan MAH, Alauddin M. Clinicopathological study of oral carcinoma. Bangladesh Journal of Otorhinolaryngology, 2006; 12(2): 45–49.
  • Rahim MM, Joarder MAH, Taous A, Hossain D, Ahmed MU, Sayeed A. Prevalence of CSOM in selected rural and urban community of Bangladesh. Bangladesh Journal of Otorhinolaryngology, 2006; 12: 1–6.
  • Sattar MA, Joarder AH, Hadi HIA, Ekramuddaula AFM. Medullary thyroid carcinoma and calcitonin. Bangladesh Journal of Otorhinolaryngology, 2006; 22-24.

2007
  • Uddin MM, Taous A, Rahim MM, Rahman SH, Hossain MD, Datta PG, Joarder MAH. Incidence of carcinoma of tongue in three tertiary hospitals in Dhaka. Bangladesh Journal of Otorhinolaryngology, 2007; 13(1): 17–23.
  • Lodh D, Taous A, Talukder DC, Pramanik KK, Joarder MAH. Occult primary tumour: Frequency and clinical presentation. Bangladesh Journal of Otorhinolaryngology, 2007; 13(2): 55–61.
  • Bhowmik B, Huq AHMZ, Talukdar DC, Mondol MTI, Joarder MAH. Incidence of regional metastasis of supraglottic carcinoma of larynx. Bangladesh Journal of Otorhinolaryngology, 2007; 13(2): 37–42.
  • Haider MY, Taous A, Rahim MM, Rahman HS, Joarder MAH. Presentation of nasopharyngeal carcinoma in two referral hospitals of Dhaka. Bangladesh Journal of Otorhinolaryngology, 2007; 13(2): 43–51.
  • Talukdar DC, Huq AHMZ, Lodh D, Bhowmik B, Mondol MTI, Joarder MAH. Results of radiotherapy in carcinoma of pyriform fossa. Bangladesh Journal of Otorhinolaryngology, 2007; 13(1): 1–6.

2008
  • Kamruzzaman M, Aich M, Datta PG, Huq AHMZ, Joarder MAH. Hypopharyngeal carcinoma: A clinical study. Bangladesh Journal of Otorhinolaryngology, 2008; 14(1): 23–29.
  • Choudhury AA, Sultana T, Joarder MAH, Tarafder KH. A comparative study of elective and emergency tracheostomy. Bangladesh Journal of Otorhinolaryngology, 2008; 14(2): 57–62.
  • Aich M, Joarder MAH, Datta PG, Alauddin M. Hypopharyngeal carcinoma: A clinical study. Bangladesh Journal of Otorhinolaryngology, 2008; 14(1): 23–29.

2009
  • Fakir AYM, Bhuyan AHM, Al-Masum SHI, Rahman HMM, Uddin MM, Alauddin M, Joarder MAH. Techniques and results of stapedial surgery. Bangladesh Journal of Otorhinolaryngology, 2009; 15(1): 10–15.
  • Aich ML, Biswas AC, Ahmed M, Datta PG, Alauddin M, Joarder MAH. Prevalence of otitis media with effusion among school-going children in Bangladesh. Bangladesh Journal of Otorhinolaryngology, 2009; 15(1): 31–34.

2011
  • Sarker MZ, Ahmed M, Patwary K, Islam R, Joarder AH. Factors affecting surgical outcome of myringoplasty. Bangladesh Journal of Otorhinolaryngology, 2011; 17(2): 82–87.
  • Atiq MT, Joarder AH, Alam MM, Hossain MA, Biswas SS. Analysis of post operative complications following total thyroidectomy. Mymensingh Medical Journal, 2011; 20(2): 238–244.
  • Rahman MA, Alam MM, Joarder AH. Study of the nerve injury in parotid gland surgery. Nepalese Journal of ENT Head and Neck Surgery, 2011; 2(1): 17–19.
  • Habib MA, Huq MZ, Aktaruzzaman M, Alam MS, Joarder AH, Hussain MA. Outcome of tympanoplasty with and without cortical mastoidectomy for tubotympanic CSOM. Mymensingh Medical Journal, 2011; 20(3): 478–483.

2012
  • Kabir MS, Joarder AH, Ekramuddaula FM, Uddin MM, Islam MR, et al. Pattern of chronic suppurative otitis media. Mymensingh Medical Journal, 2012; 21(2): 270–275.
  • Tshering P, Joarder MAH, Chowdhury MA, Saha KL. Clinicopathological study on CSOM: A comparison between tubotympanic and atticoantral variety. Bangladesh Journal of Otorhinolaryngology, 2012; 18(2): 138–144.
  • Jamal MN, Ahsan AI, Sattar M, Joarder MAH. Etiological factors of deafness and results of aided audiogram among below 12 years deaf children. Bangladesh Journal of Otorhinolaryngology, 2012; 18(2): 103–108.

2015
  • Alam MM, Ali MI, Habib MA, Siddique MA, Sanyal NP, Joarder AH. Otitis media with effusion in children admitted for adenoidectomy. Mymensingh Medical Journal, 2015; 24(2): 284–289.

2017
  • Joarder MAH. Newborn hearing screening. Bangladesh Journal of Otorhinolaryngology, 2017; 23(2): 105–108.

2019
  • Saha KL, Joarder MAH, Rao SCP, Datta PG, Talukder HAR. Surgical management of tympanomastoid paraganglioma: Experience in BSMMU, Dhaka. Bangladesh Journal of Otorhinolaryngology, 2019; 25(2): 66–75.
  • Mondal SK, Biswas AK, Huq MM, Ali MH, Kamruzzaman M, Joarder MAH. Hearing gain after myringoplasty in relation to the size of tympanic membrane perforation. Bangladesh Journal of Otorhinolaryngology, 2019; 25(1): 54–59.

2020
  • Joarder MAH, Islam MN. Prevention of deafness in Bangladesh. Bangladesh Journal of Otorhinolaryngology, 2020; 26(2): 77–78.
  • 21. Saha KL, Dey BP, Joarder MAH, Bhowmik B. Bilateral Langerhans cells histiocytosis in the temporal bone: A case report. Bangladesh Journal of Otorhinolaryngology, 2020.

2021
  • Talukder MHAR, Rahman SA, Taous A, Joarder MAH. Frequency of COVID-19 infection in patients with sudden loss of smell. Bangladesh Journal of Otorhinolaryngology, 2021; 27(2): 152–158.

2023
  • Talukder HR, Joarder AH, Rahman SA. Audit of otological diseases in a tertiary level hospital. Mymensingh Medical Journal, 2023; 32(3): 773–777.
  • Saha KL, Joarder MAH, Chowdhury MK. Coexistence of primary external auditory canal cholesteatoma and tympanomastoid paraganglioma. Indian Journal of Otolaryngology and Head & Neck Surgery, 2023; 75(Suppl 1): 448–450.
  • Saha KL, Joarder MAH, Bhowmik B, Chowdhury D. An unusual presentation of Griesinger’s sign in lateral sinus thrombosis. Otolaryngology Case Reports, 2023; 26: 100504.
  • Rahman MM, Ahsan AI, Al Mamun A, Rasel MA, Joarder MAH. Assessing the diagnostic accuracy of ultrasound-guided FNAC for thyroid nodules. The Planet, 2023; 7(1): 273–278.

2024
  • Saha KL, Ashok A, Sarker DK, Joarder AH. Computed tomography fistulography in the diagnosis of thyroglossal fistula: A case report. Bangladesh Journal of Otorhinolaryngology, 2024; 30(1): 44–47.

Conferences

Workshop/Symposia/Meeting - International (Participated):

  • 8th International Symposium on Audiological Medicine, December 1995 –January 1996, Chiang Rai, Thailand.
  • ICOT workshop on “Approach to Otologic Problem” 14-16 January, 1998, Dhaka, Bangladesh. (Conducted by Malcom D Graham, Georgia, USA).
  • WHO SEARO Inter Country Consultation meeting on Prevention & Control of Deafness, Colombo, Sri Lanka in December 2002 (Invited person).
  • Skull base surgery and advanced temporal bone surgery workshop, Nanavbati Hospital, Mumbai, India in August 2007.
  • Symposia on hearing impairment, Jakarta, Indonesia, December 2007.
  • Workshop in cochlear implant surgery, in Chennai, India, September 2008.
  • WHO SEARO Inter Country Consultation meeting on formulation of Guidelines for Infant hearing screening, Kathmandu, Nepal in December 2009 (Invited person).
  • Workshop in Micro ear surgery, in New Delhi, India, February 2010.
  • Workshop on cochlear implant and FESS, in Kolkata, India, March 2010.
  • International Otology Workshop, Beziers, France, June 2017.

Conferences – Abroad (Participated) :
  • 2nd SAARC ENT Congress, 24-27 May 2000, Kathmandu, Nepal.
  • 10th Annual Conference of Indian Society of Otology, 23-25 Nov. 2001, Kolkata, India.
  • Annual Conference of Asso of Otolaryngology of India, 8-11 January 2004, Kolkata, India.
  • 13th Annual Conference of Indian Society of Otology, 19-21 Nov. 2004, Chennai, India.
  • First general body meeting of Sound Hearing 2030 (Initiative of WHO SEARO), Bangkok, Thailand in October 2005 (Invited person).
  • Second general body meeting of Sound Hearing 2030 (Initiative of WHO SEARO), Jakarta, Indonesia, December 2007 (Invited person).
  • Third general body meeting of Sound Hearing 2030 (Initiative of WHO SEARO), Kathmandu, Nepal, December 2009 (Invited person).
  • American Academy of Otolaryngology & Head-Neck Surgery Annul Conference, 2010, Boston, USA.
  • PHONAK Hearing Aid Meeting, Kuala Lumpur, Malaysia-2010.
  • PHONAK Hearing Aid Meeting, Hamburg, Germany-2012.
  • Asia Pacific Cochlear Implant Conference, Hyderabad, India, November 2013(Invited person-speaker).
  • IFOS ENT World congress, Seoul, South Korea, June 2014 (Invited person-speaker).
  • World congress on hearing care, New Delhi, India, February 2015 (Faculty).
  • British Academic conference in Otolaryngology, Liverpool, UK, July 2015.
  • Hearing Aid Conference, Hokkaido, Japan, October, 2016 (Invited person).
  • Indian Society of Otology Conference, Calicut, Kerala, India, November, 2016.
  • IFOS ENT World Congress, Paris, France, June 2017.
  • European Academy of Otology and Neurotology Instructional course, Copenhagen, Denmark, June 2018.
  • Cochlear Implant International Conference, Antwerp, Belgium, June 2018.
  • World congress on hearing, Bali, Indonesia, February 2019.
  • Congress of European ORL-HNS, Brussels, Belgium, June 2019.
  • Indian Academy of Otolaryngology-Head Neck Surgery conference, Gurugram, India, August 2019 (invited, panelist)
  • Indian Society of Otology Conference, Kolkata, India, November 2019 (Invited, Panelist).
  • IFOS ENT World congress, Dubai, UAE, January 2023.
  • 17th International conference on Cochlear Implant, Las palmas de Gran Canaria, Spain, February, 2024.
  • 15th Asia Pacific Symposium on Cochlear Implants and Related Sciences 2025, Shangi-La Kuala Lumpur, Malaysia, November 2025.