Former BJP MP from Assam's Tezpur Lok Sabha constituency Ram Prasad Sharma on Sunday joined the Congress. Prasad Sharma, the veteran leader, had joined the Congress during a joining programme held in Guwahati in presence of former Assam Chief Minister and senior Congress leader Tarun Gogoi, Assam Pradesh Congress Committee (APCC) president and Rajya Sabha MP Ripun Bora and other party leaders.