GUWAHATI, June 4 -- Congress leader and Lok Sabha MP from Jorhat, Gaurav Gogoi, officially took charge as the president of the party's Assam state unit at their headquarters in Guwahati on Tuesday. Gogoi, who is also the deputy leader of the Congress party in Lok Sabha, was welcomed by his predecessor Bhupen Kumar Borah to the office. Gogoi was named president of the Assam Congress on May 26, ahead of next year's assembly polls in the state. Following his appointment, Gogoi had arrived at his constituency Jorhat on May 31 and had done a road show to Guwahati....