He was born in Kanpur into a prominent Marwari family, the oldest grandson of Lala Juggilal and son of Lala Kamlapat Singhania. His brothers were Kailashpat (who owned Raymonds) and Lakshmipat Singhania.
He was chairman of the JK Mills, part of the J. K. Organisation. He was knighted in the 1943 New Year Honours list, and invested with his knighthood by the Viceroy of India, the Marquess of Linlithgow, at Viceroy's House (now Rashtrapati Bhavan) in New Delhi on 23 February. After independence in 1947, he became a member of the Indian Constituent Assembly and was one of the signatories of the Indian constitution, but chose not to enter politics.
- Bhushan, Ravi (1975). Famous India, Nation's Who's who. Famous India Publications. p. 172. Retrieved 1 May 2019.
Singhania, Sir Padampat ; Industrialist ; b February 3, 1905 Kanpur
- The Times of India Directory and Year Book Including Who's who. 1982. p. 237. Retrieved 1 May 2019.
- Our Founders. jkcotton.com
- Markovits, Claude (2002). Indian Business and Nationalist Politics 1931-39: The Indigenous Capitalist Class and the Rise of the Congress Party. Cambridge University Press. p. 212. ISBN 9780521016827. Retrieved 1 May 2019.
- Ashish K. Mishra, P.R. Sanjai (29 July 2015) Singhania vs Singhania: what went wrong? LiveMint.
- The London Gazette, 1 January 1943
- London Gazette, 23 March 1943
- "What links Tata to Singhania? Singur!" Indian Express. 17 June 2011.