• Astronomy and Astrophysics
• Observational Astronomy
• Stars
• Cataclysmic Variables
• Effect of Sound on Biological Bodies 

International Journals:

• Dharmathilaka J. A. D. M, Medagangoda N. I., De Silva L.M.M, Aponsu G. M. L. P, Ruwangika N. R. A. M, “Outbursts Analysis of Dwarf Novae Subtypes”, International Journal of Advanced Research in Science, Engineering and Technology, Vol. 6, Issue 3 , March 2019, pp 8467 – 8479, ISSN: 2350-0328, http://www.ijarset.com/currentissue.html

Conference Proceedings:

Abstracts

• N.I. Medagangoda, R.A.S.S. Gunasekara, J. Adassuriya, G.M.L.P. Aponsu, K.D. Bandara and J.A.D.M. Dharmathilaka; (2018), ‘Photometric studyof SN 2014J type Ia supernova’, Proceedings of the 74th Annual Sessions - 2018, Sri Lanka Association for the Advancement of Science, p. 69
• Dharmathilaka J. A. D. M., De Silva L. M. M. & Aponsu G. M. L. P., "Effect of Sound frequencies of 500 Hz, 20 kHz, and 75 kHz on the growth of green gram plants", 5th Ruhuna International Science and Technology Conference - 2018, Ruhuna University of Sri Lanka, pp 102, ISSN: 1391-8796  

• Semi-Conductor Physics
• Electronics
• Statistical Physics
• Advanced Electronics
• Astrophysics
• Advanced LASER Physics