Kolkata, Sept. 15 -- Speculation over a possible electoral understanding between the Congress and the Trinamool Congress has resurfaced in West Bengal ahead of the October 6 Assembly by-elections to Nandigram and Rejinagar.

Both the Congress and the Kalighat TMC have fielded candidates in the two constituencies. Amid this, former Chief Minister and Trinamool Congress leader Mamata Banerjee is learnt to have reached out to the Congress with a proposal to join hands against the BJP.

According to sources, Banerjee spoke to AICC general secretary KC Venugopal over the phone on Monday evening and proposed a seat-sharing arrangement for the two bypolls. Under the proposal, the Kalighat TMC would withdraw its candidate from Nandigram to make way...