A group of members of the Kerala Congress (B) on Sunday merged with the Janata Dal (S) at a function held here on Sunday. Addressing the function, former Minister Jose Thettayil said that the Kerala Congress, which was formed to protect the rights of farmers, has lost its significance. Kerala Congress (B) State Committee Chairman Benjamin Eso, State General Secretaries K.S. Pradeep Kumar, N.U. Johny Kutty and others participated.