Patna: Jan Suraaj Party founder Prashant Kishor has won a landmark victory in the Bankipur Assembly bypoll on Monday, establishing a commanding lead in the BJP stronghold in what marks his electoral debut. The by-election was necessitated after BJP president Nitin Nabin vacated the seat following his election to the Rajya Sabha. "This is the beginning of a golden age for our party," said Jan Suraaj state president Manoj Bharti. Kishor's first electoral contestThe July 30 by-election marks the first direct electoral contest for election strategist-turned-politician Prashant Kishor. The Bankipur bypoll has emerged as one of Bihar's closely watched political contests, with the outcome seen as a key test for Kishor's Jan Suraaj Party in its first major electoral battle.