As a philanthropist, he formed the Dolphin Foundation,[2] dedicated to providing grants and fellowships in the offshore and marine industry.

Japan's entry in the Second World War and its swift occupation of the Indian territory of the Andaman and Nicobar Islands abruptly changed Singh's career path.

[7] Singh served as a midshipman during World War II on board the battleship, HMS Anson from January 1944 to June 1944, escorting Allied convoys from the Atlantic across the Arctic Ocean to Murmansk, Russia.

Later, as part of British Pacific Fleet, his ship survived the constant threat of the Japanese Kamikaze pilots in Okinawa.

In 1949, Singh served as Aide-de-camp (ADC) to the last Governor-General of India, C. Rajagopalachari at Rashtrapati Bhawan, the President's official address.

During this formative time of India's Independence, he came in close contact with several of the nation's leaders like Vallabhbhai Patel and Jawaharlal Nehru.

There he persuaded the business leadership of Taylor Diving and Salvage Co., a subsidiary of Brown and Root and the Halliburton group, to jointly bid for work on ONGC contracts.

[11] He and his wife Manjit Kirpal Singh were Trustees and Advisory board members of the Anad Foundation,[12] dedicated to advancing the values of humanism through spiritual music.