, May 4 -- Early indications show Indian Prime Minister Narendra Modi's BJP leading in Assam and West Bengal, with its alliance also on course to form the government again in Puducherry.

In West Bengal, sitting Chief Minister Mamata Banerjee appears to be heading toward an unexpected loss after three consecutive terms in office.

Here is a state-wise summary of the trends:

West Bengal : The BJP is leading in more than 140 seats, while the Trinamool Congress (TMC) is ahead in 73 constituencies. The state has 294 assembly seats, with 148 required for a majority.

Tamil Nadu : Vijay's TVK is leading in about 109 seats. The AIADMK is ahead in nearly 63 seats, while the ruling DMK is leading in around 39 constituencies. Tamil Nadu has 234 se...