Trinamoool Congress (TC) chief Mamata Banerjee accused the ruling Communists in West Bengal of rigging votes in past elections on Sunday while addressing an election rally in Asansol district. Speaking at the rally, Trinamool Chief attacked the CPI-M accusing them for maoist insurgency, corruption, and unemployment. The state with a 294-member legislature is undergoing assembly elections in six phases. The first, second and third phase of voting have already taken place and the fourth, fifth and sixth phase of polling will take place on May 3, 7 10 May respectively.