Two seasoned politicians, Dharambir Singh, a two-time BJP Member of Parliament, and his old friend Rao Dan Singh of the Congress, are locked in a nail-biting contest from the Bhiwani-Mahendergarh parliamentary seat, which is largely dominated by Jat and Ahir voters. Congress candidate Shruti Choudhry, granddaughter of former Haryana chief minister Bansi Lal, won the first Lok Sabha election held …