Satyapal Singh was a former minister of state in Government of India. He was minister in the Atal Bihari Vajpayee government from 1998 to 1999 and held the portfolio of food and consumer affairs. He was elected as MLA 5 times from Tilhar constituency, 3 times to Lok Sabha from Shahjahanpur in Uttar Pradesh. He Married with Shakuntala Yadav and has 3 children (2 sons Rajesh Yadav and Amit Yadav aka Rinku and 1 daughter Shashi Prabha aka Babli).
He was born in 1942 at village Siura (Katra) and passed MA and LLM from Lucknow University. He entered politics soon after studies and was elected to Uttar Pradesh Legislative Assembly in 1974 from the seat of Tilhar. He was elected as Leader of Opposition in The Uttar Pradesh Legislative Assembly.
He changed political parties at will and was a member of Bharatiya Janata Party, Samajwadi Party, Janata Dal. His mentor was Chaudhari Charan Singh and later Chaudhari Ajit Singh.
He died on 23 July 2004. His sons entered politics after his death. His son is former MLA from Tilhar on a Samajwadi Party ticket and a current MLA from Katra.
Rajesh Yadav won MLA election in 2012 from Katra Constituency of Shahjahanpur District and Amit Yadav aka Rinku won MLC elections from Pilibhit Shahjahanpur.