Dhanbad (Jharkhand) [India], October 26 (ANI): The battle of Koyalanchal, specifically Jharia, has emerged as a key battleground in the Jharkhand Assembly election, with the contest between Congress sitting MLA Purnima Neeraj Singh against her sister-in-law and BJP leader Ragini Singh. Purnima Neeraj Singh is the wife of late Neeraj Singh and Ragini is the wife of BJP leader and ex-MLA Sanjeev Singh. Sanjeev and Neeraj both are cousins. In the 2014 assembly election, BJP leader Sanjeev Singh won the assembly election from Jharia and Neeraj was the Deputy Mayor of Jharia. However, Neeraj Singh …