Netaji as he is fondly called, joined the league to fight for farmers rights after he was inspired by Ram Manohar Lohia. He formed the Samajwadi Party in OCt 1992, owing gratitude to his mentor Ram Manohar Lohia.
He made his mark in the UP assembly after he became the MLA in 1967 and was jailed in 1975 during the emergency in the country. He took over as India's Defence minister in 1996 and become the chief minister of Uttar Pradesh thrice.
Charges of corruption were levelled against Singh and his family after the Supreme Court directed the CBI to probe into the matter of illegal disproportionate assets case acting on a PIL filed by Vishwanath Chaturvedi
Mayawati's corrupt tenure helped the SP regain its position in Uttar Pradesh, who adopted a positive stand during their campaign this time.