MBBS, MD (Community Medicine)
Scientist ‘E’ 
Public Health Nutrition Division Division


Email:  officesairamc@gmail.com
Contact:  +91-40-27197387

Brief Profile

Dr. Sai Ram Challa completed MD in Community Medicine from Osmania Medical College, Hyderabad (2004). He worked on hypertension control among geriatric populations in urban slums of Hyderabad and state coverage evaluation of child vaccination program by UNICEF. He then worked as Surveillance Medical Officer for World Health Organization (WHO) for three years in North Telangana Districts and Bihar, where he was involved in Acute Flaccid Paralysis surveillance, Measles outbreak investigations, Mass Immunization campaigns, and Routine Immunization strengthening. Identifying a Type 1 Wild Polio Virus Circulation in a remote border village of Raxaul, Champaran East, Bihar, was a significant contribution. Further, he worked at Apollo Institute of Medical Sciences, Hyderabad, for nine years as Professor of Community Medicine, Medical Officer, Rural and Urban Health Training Centres. Here, he contributed actively to the District MR (Measles-Rubella) Coverage evaluation in collaboration with UNICEF, served as Medical Officer of COVID Isolation Ward and Secretory, Research Committee. His research work focussed on public health aspects of Surveillance, Malnutrition, Acute Respiratory Tract Infections, Tuberculosis, m-Health, Hypertension, and Stroke. He is currently pursuing research in nutritional interventions through Primary Health Care, Social determinants of malnutrition, TB malnutrition, and Interplay of malnutrition, infectious disease, and non-communicable disease in communities.

Publications: 15
  1. Pattnaik S, Sairam C, Saba S, Neeta M, Das B, Pavani V, et al. Coverage Evaluation of BCG, MR, and New vaccines (Fipv, Fractional Dose Inactivated Polio Vaccine) Under Universal Immunization Program and Optional Vaccines In Rural India. International Journal of Medical Science. 2021 Apr 25;8:1–4.
  2. Prabhakar S, Suravarapu S, Mathai D, Renangi S, Challa S. Risk Factors for Stroke in Rural Population of Telangana State of India, an Unmatched Case Control Study. J Neurosci Rural Pract. 2020 Jul;11(3):448–53.
  3. Chandrika K, Das BN, Syed S, Challa S. Diabetes Self-Care Activities: A Community-Based Survey in an Urban Slum in Hyderabad, India. Indian J Community Med. 2020 Sep;45(3):307–10.
  4. Challa S, Krosuri V. Danger signs of acute respiratory tract infections in under-five children: awareness among mothers in the urban slums of Hyderabad, its relation to treatment seeking behaviour. International Journal Of Community Medicine And Public Health. 2018 Dec 24;6:190.
  5. Chowdavarapu RR, Challa S, Hussain MS, Gangam S. Developing a predictive model for estimation of height of a normal child using head length in south Indian children. International Journal of Research in Medical Sciences. 2017 Jan 17;3(12):3465–9.
  6. Chandrupatla M, Rajneesh D, Challa S. Perception of students and faculty regarding the implementation of Case Based Learning in Pre and Para clinical MBBS students. International Journal of Current Research in Biology and Medicine. 2017 May 30;2:6–11.
  7. Challa S, Nl S, Amirapu P. Immunization status of children in the newly carved states of Telangana and Andhra Pradesh in India. International Journal of Contemporary Pediatrics. 2017 Jan 6;2(3):196–201.
  8. Challa S, Gangam S, Amirapu P. Acute respiratory infections in the children of the Southern states of India, with a special focus on the newly carved states. International Journal of Contemporary Pediatrics. 2017 Jan 4;2(4):395–400.
  9. Challa S, Amirapu P. Surveillance of Anaemia: Mapping and Grading the High Risk Territories and Populations. J Clin Diagn Res. 2016 Jun;10(6):LC01–6.
  10. Challa S, Chowdavarapu RR, Pattnaik S, Mathai D. Mapping the awareness levels of mothers about the danger signs of acute respiratory infections in children of the Southern States of India, its relation with treatment seeking behaviour. International Journal of Infectious Diseases. 2016 Apr 1;45:294–5.
  11. Challa S, Challa P. Nutritional status of under-5 children in the newly carved states of India. International Journal of Medical Science and Public Health. 2015;4(7):1019–22.
  12. Challa, SairamB Prakash. Pig Bites: An UnderReported Public Health Menace - ProQuest. Indian Journal of Public Health Research & Development. 2014;Volume-05(Issue-2 (April-June)):102–4.
  13. Tamma NK, Ashraf TN, Nagakrishna L, Sudhakar L, Challa S. Evaluation of Antinociceptive And Anti-Inflammatory Effect of Aqueous Seed Extract of Carica Papaya Linn In Albino Rats. International Journal Of Medical And Health Sciences. 2013 Dec 7;2(3):305–10.
  14. Sukhdas G, Challa S, Bhatia P, Rao A, Professor A. Nutritional status of tribal children in Andhra Pradesh. International Journal of Medical Research & Health Sciences. 2013 Dec 15;3.
  15. Reddy R, Challa S. Chlorine Gas Leak: A School Incident in Andhra Pradesh. Journal of the Indian Society of Toxicology. 2009 Jan 15;005:37–8.


Awards and Honours

  1. Life Member of Indian Public Health Association
  2. Life Member of Indian Medical Association
  3. Member of International Society for Infectious Diseases
  4. Awarded “Certificate of Appreciation” for Dedicated service and significant Contributions to Polio Eradication and Global Immunization activities in India by David Heymann, MD, Representative of Director-General for Polio Eradication, WHO/HQ and Jay Wenger, MD Project Manager, WHO/NPSP.