• Vestibular physiotherapy
• Noise induced hearing loss
• Vertigo
• Laser treatment for ENT diseases
• Voice disorders

• A research on health problems among coir workers, A study submitted to the Department of Community Medicine, University of Sri Jayawardenepura, as a prerequisite for 3^rd year examination for medical degree.
• Retrospective Observational Cross Sectional Study to assess the patients with vocal cord palsy at ENT unit, NHSL. (Jayasuriya C, Sanjeewanie T.V., Jayasinghe R. J, Kumarasinghe I., Weerasinghe K.W.A.A.G., Sudarshan T., Lankamali E.L.S.)Free paper in 8^th Annual Academic Sessions of College of Otorhinolaryngologists and Head and Neck Surgeons, Sri Lanka 2010).
• Descriptive Observational Cross Sectional Study to assess the patients knowledge on chronic ear discharge (SanjeewanieT.V, Thennakoon D, Panduwawala P.K.D.P, Jayasena A) Free paper in 7^th Annual Academic Sessions of College of Otorhinolaryngologists and Head & Neck Surgeons of Sri Lanka.-Nov.2009. [Selected as the best paper in Annual Academic Sessions of Sri Jayewardenapura General Hospital 2009. | Published in - Ceylon Journal of Otolaryngology Nov.2010, Vol. 1, pp. 42-44]
• A case report on unusually visible long styloid process (Sanjeewanie T.V., Perera D.S.C.) Presented in 6^th Annual Academic Sessions of College of Otorhinolaryngologists and Head and Neck Surgeons of Sri Lanka.- November 2008
• A case report on Unusually large submandibular salivary stone (Sanjeewanie T.V., Perera D.S.C.) Presented in 6^th Annual Academic Sessions of College of Otorhinolaryngologists and Head and Neck Surgeons of Sri Lanka.-November 2008.
• A case report on rare case of oral ulcers (Jayasena A, Sanjeewanie T.V., Ariyawansa D, Ambawatte P.) Presented in 24^th Annual Academic Sessions of Sri Jayewardenepura General Hospital Lanka.-November 2009.
• Role of Human Papilloma Virus in Oropharyngeal Carcinoma Presented in 5^th IFHNOS World Congress 2014 July 26 -30, 2014
• Outcome of Vertigo patients after Vestibular physiotherapy presented at 13^th Annual Academic Sessions of College of Otorhinolaryngologists and Head and Neck Surgeons of Sri Lanka. -November 2015.
• Outcome of Vertigo patients after Vestibular Physiotherapy Published in - Ceylon Journal of Otolaryngology Nov.2017, Vol. 6, pp. 36-43
• Exposed giant submandibular duct calculus: A case report, Open Journal of Clinical & Medical Case Reports Volume 5 (2019) Issue 8.
• The relationship between strength and static endurance of trunk muscles in patients with chronic low back pain: presented at International Research Conference KDU -2019
• Clinical Audit on Antibiotic Prescribing: Aim to improve Antibiotic Stewardship at University Hospital KDU, presented at International Research Conference KDU -2020
• Correlation Between Changes of Craniovertebral Angle with the Long-Term Usage of Smartphones and Laptops Among University Undergraduates: presented at International Research Conference KDU -2021
• Migrated fish bone into the neck: a case report. Journal of Medical Case Repoprt, 2021 Sep
• Successful Salvage of cochlear Implant Following Postoperative MRSA infection: presented at SAARC ENT conference Nepal 2022
• Vestibular Rehabilitation Therapy for patients with dizziness: presented at SAARC ENT conference Nepal 2022
• A Rare Complication of Three Field Oesophagectomy: presented at SAARC ENT conference Nepal 2022
• Effectiveness of Vestibular Physiotherapy in Residual Dizziness Post Canalolith Repositioning Manoeuvre for Benign Paroxysmal Positional Vertigo: oral presentation at AAO-HNSF, USA -2024
• Identification of Early Predictors of Hypocalcaemia Following Total Thyroidectomy: poster presentation at AAO-HNSF, USA -2024
• Intraoperative nerve monitoring during thyroidectomy: Asia Pacific Laryngology Conference 2024
• Hypocalcaemia following Total Thyroidectomy: Oral presentation at College of Otorhinolaryngologists and Head & Neck Surgeons of Sri Lanka 19th Annual Academic Sessions 2024.
• Preserving Vocal Cord Function: Continuous Intraoperative Vagus Nerve Monitoring in Total Thyroidectomy; Ceylon Journal of Otolaryngology, 2024

Presentations

• Poster presentation at 5th IFHNOS World Congress 2014, New York Effects of HPV status on prognosis in oropharyngeal cancer treated in Newcastle Upon Tyne. Laura Jackson, Max Robinson, Vasanthika Thuduvage, Charles Kelly, David Meikle, Andy Welch, James Adams, Vinidh Paleri
• Contralateral lymph node enlargement in head and neck cancer patients' poster presentation at 15th Annual Academic Sessions of College of Otorhinolaryngologists and Head and Neck Surgeons of Sri Lanka. -November 2017.
• Vitamin D (25 Hydroxy) status in patients with recurrent oral aphthous ulcers poster presentation at College of Otorhinolaryngologists and Head & Neck Surgeons of Sri Lanka 14th Annual Academic Sessions 2019.
• Drone Network to combat impending COVID-19 Pandemic Conditions: oral presentation at National Conference on “COVID-19: Impact, Mitigation, Opportunities and Building Resilience" Sri Lanka 2021
• Perception of Medical Students Regarding Career Guidance Programs: poster presentation at International Research Conference KDU -2021
• A Rare Complication of Three Field Oesophagectomy: poster presentation at International Research Conference KDU -2021
• Actinomycosis in the Oropharynx: poster presentation at International Research Conference KDU -2021
• Unusual Presentation of Actinomycosis in Oropharynx: A case report: poster presentation at annual session of Sri Lanka College of Microbiologist 2021
• The effectiveness of Vestibular Physiotherapy for the treatment of Residual Dizziness of Benign Paroxysmal Positional Vertigo patients poster presentation at BACO international conference UK 2023

• D J Premachndra  Educational grant   2017 by College of Otorhinolaryngologists and Head and Neck Surgeons of Sri Lanka
• The best paper award -Annual Academic Sessions of Sri Jayewardenapura General Hospital 2009.
  Descriptive Observational Cross Sectional Study to assess the patients' knowledge on chronic ear discharge.
• MTI trainee post awarded by ENT -UK.
• KDU research grant 2021
• Identification of Early predicting Factors for Hypocalcaemia following Total Thyroidectomy
• KDU research grant 2023
  Prevalence and Associations of Sensorineural Hearing Loss Among People Living with Diabetes Mellitus : A Comparative Cross -sectional study
• BACO travel fellowship to attend BACO international research conference UK-2023
• ENT UK Foundation research grant-2023

• Human Anatomy
• Ear Nose and Throat diseases
• Vestibular physiotherapy

• Life Member - College of Otorhinolaryngologists of Sri Lanka
• Member of ENT -UK
• Visiting lecture at Post Graduate Institute of Medicine, Colombo
• Visiting lecturer at Engineering Faculty, KDU
• Member of Steering Committees on Standard Operational protocol, Radiology & Clinical Services, University Hospital KDU Construction Project
• Fellow of American Academy of Otology - Head and Neck Surgery
• Life member of College of Surgeons of Sri Lanka
• Visiting Lecturer at Faculty of Medicine -University of Moratuwa
• Visiting Lecturer at Faculty of Medicine, University of Sabaragamuwa