Bengaluru: Former Karnataka chief minister S.M. Krishna who resigned from the Congress party in January joined the Bharatiya Janata Party (BJP) on Wednesday.

Krishna, 84, had earlier served as governor of Maharashtra and later as minister of external affairs in the United Progressive Alliance (UPA) government.

Krishna decided to leave the Congress on 29 January after complaining of being sidelined in the party he served for almost 50 years.

Many senior ministers in the Siddaramaiah government and the party’s central leadership had attempted to persuade Krishna to reconsider his decision.

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Krishna’s entry boosts the BJP’s prospects in Karnataka ahead of next year’s assembly election in which the saffron party is trying to reclaim power after it was reduced from 110 seats in 2008 to 40 in 2013.

Krishna had hit out against the party high command for sidelining him and not valuing mass leaders.

“Congress party will exist due to its history but whether credibility will be associated with party is a question mark," he said, while adding that the future of the party that does not respect its seniors is bleak, Mint reported.