He is one of the founder members of Indian Spinal Injuries Center (ISIC) – New Delhi, an Indo Italian cooperation project in association with NIDRR, Govt. of USA and is a Member of Board of Governors.
Dr Sachdev is also associated with Prayas, an NGO for the welfare of children in Delhi since its inception and is a member of the Governing Board.
Dr Sachdev is Doctor of Confidence (Vertrauensarzt) of Embassies of Austria, Germany and Switzerland in India. He is also closely associated with the medical services of Embassy of France.