New Delhi [India], February 2 (ANI): Tearing into the BJP in the Rajya Sabha, Leader of Opposition Mallikarjun Kharge on Friday got the ball rolling by pointing out the delay of the oath-taking of JMM leader Champai Soren and questioned why Janata Dal (United) chief Nitish Kumar took the oath and became the Chief Minister of Bihar in less than 12 hours of resigning. Earlier on Sunday, Nitish Kumar resigned and also took the oath as Chief Minister of Bihar for the ninth time in Raj Bhawan, Patna, switching sides again, this time with the BJP-led National Democratic Alliance (NDA). “Nitish Kumar…