Elections in Bengal just two months away, poll strategist Prashant Kishor's team is playing a key role for Chief Minister Mamata Banerjee's Trinamool Congress, helping it tackle the BJP challenge. Amid speculation that it also has a say in candidate selection, the Indian Political Action Committee or IPAC says it is acting as a force multiplier for the ruling party, helping it identify chinks in its armour, plugging gaps in its strategy and draw in votes that had moved away.