Answer
Mahagathbandhan, the alliance formed in 2013 by Nitish Kumar, comprised various political parties, notably the Janata Dal (United), Rashtriya Janata Dal, and the Congress party, to contest the Bihar legislative assembly elections. This coalition aimed to challenge the incumbent National Democratic Alliance led by the Bharatiya Janata Party. The Mahagathbandhan's victory in the elections resulted in Nitish Kumar becoming the Chief Minister of Bihar.