Assam (Guwahati) [India], February 28 (ANI): In another jolt to the grand old party, the working President of the Assam Pradesh Congress Committee, Rana Goswami, tendered his resignation on Wednesday. In a letter to the Congress General Secretary, KC Venugopal, APCC working President Rana Goswami wrote, “I beg to state that I am tendering my resignation as the working President of Assam Pradesh Congress Committe and as an active member of Indian National Congress.” Earlier on February 14, Assam Chief Minister Himanta Biswa Sarma said that four Congress MLAs have extended their support to the s…