AGARTALA, Feb 2 — Over four hundred CPI(M) workers have been killed in attacks by insurgents and their collaborators in Tripura during the last four years, party functionary Gautam Das has claimed, reports PTI. Of the 448 activists, two belonged to the state committee of the party, 13 belonged to district committees and 14 to the local committees, Das, a member of the state secretariat of the ruling CPI(M) and editor of party mouthpiece Desher Katha told a press conference here on Friday. Meanwhile, the 17th state conference of the Tripura unit of the party will begin here from tomorrow. At...