• Pathophysiological changes of Radiation and environmental pollution
• Paediatrics
• Non communicable diseases.

• Gold Medal in Family Medicine, Faculty of Medicine, University of Kelaniya -2010
• National research council Merit award for scientific publications- 2012
• National research council Merit award for scientific publications- 2013
• National research council Merit award for scientific publications- 2014
• National research council Merit award for scientific publications- 2017
• Sparrho Early Career Research Prize- July 2017
• K N Senevirathna Research Award- 2017
• Best poster presentation at the Annual Academic sessions of the Physiological Society of Sri Lanka 2017
• Senet honors for scientific publications, University of Kelaniya, 2012/2013/2014/2017/2018/2019/2020
• Semifinalist at the Sri Lanka academy of young scientists (SLAYS) 3-minute thesis competition 2018.
• Best oral presentation at the Annual Academic sessions of the Physiological Society of Sri Lanka 2018.
• Commonwealth Medical Fellowship 2018.
• Best oral presentation at the Annual Accademic sessions of the Ceylon College of Physicians of Sri Lanka. 2020
• Best oral presentation at the Annual Academic sessions of the Physiological Society of Sri Lanka 2021.

• Awarded the Sir Marcus Fernando Oration organized by the Sri Lanka Medical Association – 2018
• Plenary speaker at the young researchers symposium , Faculty of Medicine, University of Kelaniya, 2018.
• Speaker at the 30th Anniversary celebrations of the Faculty of Medicine, University of Kelaniya, Sri Lanka for the symposium ’For breath is life:exposing the silent killer’
• Chief organizer of the Online Clinical Cardiovascular autonomic workshop collaboratively organized by the department of Physiology and the Physiological society of Sri Lanka- 2021.

2017

• Tania Warnakulasuriya, Senani Williams, Mangala Dabarera, Kusum Rodrigo, Thiwanka Weerakkody, Rajitha Wickremasinghe; Frequency of micronuclei among persons resident in the vicinity of a mineral sand processing factory in Pulmoddai, Sri Lanka,Mutagenesis. 2017 Oct 17; 32(5):511-516. 
• Dianne Tania Dayanthi Warnakulasuriya, Pattiya Pathirennahalage Uddika Chamila Peries,Yaddehi Arachchillage Chaminda Rathnasekara ,Kalu Arachchige Thushari Madurika Jayawardena ,Angappulige Upasena Ultrasonographic parameters of the liver, spleen and kidneys among a cohort of school children in Sri Lanka. BMC Paediatrics.2017; 17:192. doi.org/10.1186/s12887-017-0943-4. Accepted: 7 November 2017Published: 16 November 2017

2014

• Priyantha J Perera, Meranthi Fernando, Tania Warnakulasuriya, Nayomi Ranathunga 2014 .Effect of feeding practices on dental caries among preschool children: a hospital based analytical cross sectional study.Asia Pac J Clin Nutr. 23(2):272-277
• Herath RP, Warnakulasuriya T, Silva AD, Wijesinghe PS 2014. Methylene Blue Induced Bluish Discoloration Mimicking Cyanosis, at Diagnostic Laparoscopy. J Womens Health, Issues Care 3:5.

2013

• The burden of diabetes mellitus and impaired fasting glucose in an urban population of Sri Lanka. Diabetic Medicine. 2013 Mar;30(3):326-32.
• Perera Priyantha J, Ranathunga Nayomi, Fernando Meranthi P, Warnakulasuriya Tania D, Wickremasinghe Rajitha A2013.Growth parameters at birth of babies born in Gampaha district, Sri Lanka and factors influencing them. WHO south east Asia journal of public health 2(1);57-62.

2012

• Priyantha J Perera,  Nishadi Abeyweera, Meranthi Fernando, Tania Warnakulasuriya, Nayomi Ranathunga 2012.Prevalence of dental caries among a cohort of preschool children living in Gampaha district, Sri Lanka: A descriptive cross sectional study. BMC oral health 12:49.
• Priyantha J Perera, Meranthi Fernando, Tania Warnakulasuriya, Nayomi Ranathunga Knowledge and practices related to helminth infections among mothers living in a suburban area of sri lanka . Southeast Asian Journal of Tropical Medicine and Public Health 43 :  6;1326 .

2011  

• Priyantha J Perera, Meranthi Fernando, Tania Warnakulasuriya, Nayomi Ranathunga: 2011. Feeding practices among children attending child welfare clinics in Ragama MOH area: a descriptive cross sectional study. International Breastfeeding Journal 6:18.

• Pinidiyapathirage MJ, Kasturiratne A, Williams S, Wijekoon N, Pathmeshwaran A, Ranawaka UK, Warnakulasuriya T, Takeuchi F, Kato N, Wickremasinghe AR. 2011.The burden of diabetes mellitus in an urban population of Sri Lanka. The Ceylon Medical Journal–Vol 56; Supp 01; OP 2.
• Mettananda S, Warnakulasuriya T, Fernando M, Devanarayana N, Rajindrajith S 2011. Analysis of neonatal deaths in Sri Lanka from 2002 to 2006.The Ceylon Medical Journal – Vol 56; Supp 01; OP 47.
• Sachith Mettanada, Shaman Rajindrajith, Tania Warnakulasuriya, Meranthi Fernando, Niranga Manjuri Devanarayana, N K Gunawardena.2011. Achieving millennium development goal 4 in 2015: Are we really on track? 14^th Annual Scientific Congress of the Sri Lanka College of Paediatricians: Free Paper 08.
• A Kasturirathna,T Warnakulasuriya, J Pinidiyapathirage, N Kato, R Wickramasinghe,A    Pathmeshwaran 2011.Epidemiology of Hypertension in an urban Sri Lankan population: Journal of Epidemiology & Community Health;  65: Suppl 01: P2-130.

• Abeynayake SD, Perera G, Wickramarachchi D, Warnakulasuriya T, Upasena A. 2015. Diagnosis of prostate cancer by trans rectal ultrasound guided prostate biopsy; an observational study. Anuradhapura Medical Journal;9 (2Supp):S13.
• Fernando CMP, Galappaththi AGAR, Punchihewa PMG, Karunaratne GKD, Warnakulasuriya DTD. 2015. Role of dipsticks in diagnosis of urinary tract infection in children. is it accurate enough? 19^thAnnual scientific sessions of Sri Lanka college of Pediatricians.
• Warnakulasuriya T, Weerakkody T, Williams S, Wickremasinghe R, Waduge V, Ediriweera D, Siriwardena N. 2016. Gamma Spectrometry measurements of soil from the vicinity of a mineral sand processing plant in the eastern cost of Sri Lanka.61^st Annual meeting of the Health Physics Society, Spokane, Washington, USA.;P.14.
• Warnakulasuriya T, Williams S, Dabarera MD, Rodrigo BKSK, Weerakkody T, Wickremasinghe R, 2016. Risk of Micronuclei formation among employees and residents in the vicinity of a monazite processing plant in Sri Lanka. Australian Radiation Protection society annual conference. Oral Presentation.
• Amarasiri, D. L., Warnakulasuriya, D. T., Wickramasinghe, A. R., & Gunasekera, K. D. 2016, November. SPIROMETRY REFERENCE NORMS FOR 13-14 YEAR OLD SRI LANKAN CHILDREN. In RESPIROLOGY (Vol. 21, pp. 45-45). NJ USA
• T. Weerakkody Appuhamillage , T. Warnakulasuriya , S. Williams, R. Wickremasinghe , V. Waduge.2017. Terrestrial Background Radiation in Norochcholai in the North Western Coast of Sri Lanka. International Conference on Applications of Radiation Science and Technology 24–28 April, 2017 Vienna, Austria. Poster presentation.
• T.Weerakkody, D.T.D.Warnakulasuriya, S.Williams, M.D.Dabarera, B. K. S. K.Rodrigo, V.Waduge, A.R.Wickremasinghe 2017 Spontaneous Micronuclei Formation in Persons Living in Sri Lanka in Close Proximity to a Nuclear Power Plant in India. Acc App conference(International Topical Meeting on Nuclear Applications of Accelerators).2017 Quebec, Canada.
• Warnakulasuriya T, Williams S, Dabarera MD, Rodrigo BKSK, Weerakkody T, Wickremasinghe R, 2017. High background radiation near a mineral sand processing factory in Sri Lanka.4th International Conference on Radioecology and Environmental Radioactivity (ICRER), Berlin, Germany. Oral Presentation

• The duties include teaching, research activities and service provision at the autonomic function assessment laboratory at the department of Physiology.

• Internship supervisor of Ms. Lauri de Werdt – student of master of Science in Biomedical Sciences at the Radbound University Netherlands for a period of 4 months from February to May 2018.
• Research supervisor of Ms. Nuwani gamage student of  Bsc in Physiotherapy on the research Evaluation of Efficacy & Efficiency in Implementing Knee Ankle Foot Orthosis (KAFO) as a Functionally Assistive Indoor Ambulatory Device for Motor Complete Thoracic Level (T10 –T12) Spinal Cord Injury from November 2018  to November 2019.
• Research supervisor of 5 students­­­­­­­­­ of Bsc in biomedical Sciences at British College of Applied Studies (BCAS) campus, Sri Lanka afffeliated to Oxford Brooks University, UK.

• Health effects of exposure to air pollution

   

• Agrochemical exposure and health among farmers

• Immune response to COVID and COVID vaccines among diabetic patients

• Lifestyle interventions and HRV parameter alterations

• Radbound University Medical College – Netherlands

• KU Luven- Belgium

• National Hospital for Neurology and Neuro surgery, UK

• All India Institute of Medicine, New Delhi, India

• La Trobe University, Australia

• University of Queensland, Australia