• Master of Philosophy in Linguistics, University of Kelaniya
• BA  in English (Specialization)2007, University of Sabaragamuwa
• MA in Linguistics 2012, University of Kelaniya
• Diploma in English 2004, Aquinas University College
• Certificate in Teaching in Higher Education Programme 2015, KDU

1. Kothalawala C J and Kothalawala T D .(2021).  Move Analysis of Legal Letters of Demand for Genre-based Writing Instruction in English for Legal Purposes. RUICHSS 2020, Faculty of Humanities and Social Sciences, University of Ruhuna, Sri Lanka. 17^th November 2021.
2. Kothalawala, C., Sudusinghe, WS., Kumara, WGC .,& Kothalawala, TD., 2020 Assessment of Public Speaking Anxiety (PSA): A Study based on the second-year law undergraduates in Kotelawala Defence University, Sri Lanka, 13th International Research Conference, KDU
3. Kothalawala, TD., Sudusinghe, WS., Kumara, WGC., &  Vidanage D., 2020 Knowledge, Attitudes, and Practices on Plagiarism among the Law Undergraduates in Sri Lanka, 13th International Research Conference, KDU 
4. Kothalawala, T. 2019, Undergraduates’ English Essay Writing Skill Development through Interpersonal Intelligence based Lessons, 6^th International conference on Multidisciplinary Approaches, University of Sri Jayewardenepura,26^th Nov 2019
5. Kothalawala, T. & Kothalawala, C 2018, ‘Using Visual Spatial Intelligence Based Activities to Develop Writing Skills. KDU International Research Conference Proceedings
6. Kothalawala, T. & Kothalawala, C 2017, ‘ Effectiveness of Visual-Spatial Intelligence based Activities to Teach Passive Forms’ . 7^th International Language Learning Conference (ILLC2017) , University of Sains, Malaysia.
7. Kothalawala, T. & Kothalawala, C 2016, ‘Effectiveness of Using Improvisation to Develop English Speaking Skills’. KDU International Research Conference Proceedings.
8. Kothalawala, T., Kothalawala, C. & Amaratunga, K 2015, ‘Tracing the Development of Approaches of Needs Analysis in English for Specific Purposes (ESP)’. KDU International Research Conference Proceedings
9. Kothalawala, T & Kothalawala, C 2014, ‘Stakeholder Needs in English for Legal Purposes (ELP) for Sri Lankan Undergraduates’, KDU International Research Conference Proceedings.
10. Kothalawala, T 2013, ‘Using Musical Intelligence Based Techniques to Coach Young ESL Learners in Acquiring Grammar’, KDU International Research Conference Proceedings.
11. Kothalawala, T 2012, ‘Usage of Multiple Intelligence Theory to Teach Passive Voice to Rural English Language Learners’. Seventh International SLELTA Conference.
12. Kothalawala, T 2007, ‘The Usage of English in Sinhala Songs’ The First Annual Symposium of the Faculty of Social Sciences and Languages, Sabaragamuwa University of Sri Lanka
13. Kothalawala, T & Kothalawala, C 2006, The Multiplicity of Identity in Modern Society: A Study based on Michael Ondaatje’s Novel ‘Running in The Family’ and ‘Anil’s Ghost’ at the 10^th Anniversary International Symposium, Sabaragamuwa University of Sri Lanka.

DISSERTATION SUPERVISION

1. Rathnayake, R 2015, The Impact of English as a Medium of Instruction on the Academic Performance of Undergraduates. Master’s Thesis, KDU.
2. Bandara, N 2015, Parents’ Perception on Teaching English in Primary Education in Sri Lankan Public Schools. Master’s Thesis, KDU.
3. Deshapriya, C 2021, Determinants of the Satisfaction on the Quality of Online Learning Programmes during the Pandemic: Study Based on Army Officers in Sri Lanka. Master’s Thesis

• A Teacher of English, Leeds International School, Horana 2008.
• A Visiting English Instructor, KDU 2009
• A Graduate Teacher of English, Ministry of Education, Southern Province 2011

Research Areas

• English Language Teaching and Learning, English for Specific Purposes, Psycholinguistics and Sociolinguistics

Teaching Areas

• General English
• Communication Skills
• English for Academic Purposes
• English for Specific Purposes

• Sri Lankan English Language Teachers Association

• Won the award for the Best Poster Presentation at KDU International Research Conference, 2018. The presentation was on ‘Using Visual Spatial Intelligence Based Activities to Develop Writing Skills.’

• Teaching English Language
• Teaching English to young learners
• Sociolinguistics
• Computer-based English language teaching