The defeat of the Congress party marked the end of Congress's dominance over the Indian party system. Way back in the late sixties, the dominance of the Congress party was challenged; but the Congress under the leadership of Indira Gandhi managed to re-establish its predominant position in politics. The nineties saw yet another challenge to the predominant position of Congress. It did not, however, mean the emergence of any other single party to fill in its place.

When was Bharatiya Janata Party ( BJP) formed?

1980

In the aftermath of the Emergency, the Bharatiya Jana Sangh merged into the Janata Party. After the fall of the Janata Party and its break-up, the supporters of erstwhile Jana Sangh formed the Bharatiya Janata Party ( BJP) in 1980.