• Edited a textbook in Pediatric Gastroenterology and Hepatology and Nutrition, published by Jaypee Brothers and Publishers Ltd. 2015
  • Executive Editor of Apollo Medicine,the quarterly journal published by the Apollo Hospitals Group
  • Member of Editorial Board of Indian Journal of Pediatrics
  • Member of Editorial Board of Indian Pediatrics
  • Guest editor of the special symposium on hospital based nutrition of the Indian Journal of Pediatrics 2002; 69(2)
  • Guest editor of the special supplement on Gastroenterology, Hepatology and Nutrition of the Indian Journal of Pediatrics 1999; 66: SS1
  • Training of DNB students in Pediatric hepatology and gastroenterology
  • Coordinator for the 4 Working Groups for the Fourth World Congress of Pediatric
  • Gastroenterology, Hepatology and Nutrition (WCPGHAN 2012) at Taipei, Taiwan in November 2012. 
  • Commonwealth representative on the 8 member International Working Group on Liver Transplantation. This position paper was presented at the Third World Congress of Pediatric Gastroenterology, Hepatology and Nutrition held at Iguassu Falls, Brazil in August 2008.
  • Commonwealth representative on the 8 member International Working Group on Acute and Chronic Hepatitis. This group prepared a paper to prioritise research activities in this field. This position paper was presented at the Second World Congress of Pediatric Gastroenterology, Hepatology and Nutrition held at Paris in July 2004.
  • Asian representative on the 8 member International Working Group on Liver Transplantation. This group prepared a paper to prioritize research activities in liver transplantation in the new millennium. This paper was presented at the First World Congress of Pediatric Gastroenterology, Hepatology and Nutrition held at Boston in August, 2000.