Secretary of the EBMT Nuclear Accident Committee
American Society of Clinical Oncology (ASCO)
American society of Haematology
European Society of Medical Oncology (ESMO)
Early Breast Cancer Trialists Collaborative Group
International Myeloma Foundation
Acute Leukaemia Working Party, European Blood and Marrow Transplantation (EBMT) Group
Chronic Leukaemia Working Party of EBMT
Multiple Myeloma Working sub-Committee of EBMT
Stem Cell Trialists Collaborative Group
European Haematology Association
International Advisory Panel on Fungus Infections, Pfizer Limited
International and Asia-Pacific Hepatopancreatobiliary association IHPBA /AP-HPBA
Asia-Pacific Neuroendocrine tumour society APNET
International association of surgeons, gastroenterologists and oncologists IASGO
International biliary tract cancer consortium (IBTCC)
General Medical Council UK
United Kingdom Myeloma Forum Clinical Trials committee
British Medical Association, UK
British Society for Blood and Marrow Transplantation
Association of Cancer Physicians, UK
Pan-Thames purchasing BMT Consortium
Leukaemia/Myeloma tumour working Group - South West London Cancer Network
HICC (Hospital Infection Control Committee) Royal Marsden
JACIE accreditation committee, Royal Marsden
Royal Society of Medicine
Indo-UK Breast Cancer Forum
London Digital Collaborative
Indian Medical Association (IMA)
Indian Cooperative Oncology Network
Indian Society of Medical and Paediatric Oncology (ISMPO)
Indian Society of Oncology (ISO)
indian association of palliative care
Indian Society For Study Of Pain
Indian Society of Critical Care Medicine (ISCCM)
ICMR (Indian Council of Medical Research) Task force for cancer guidelines on colorectal cancer
ICMR Task force for cancer guidelines on Gastric cancer
International Hepatopancreatobiliary association IHPBA
NCI-AIIMS (National Cancer India- All India Institute of Medical Science) committee
Scientific Advisory Committee(SAC) of ICMR-NCDIR