What have exit polls predicted for West Bengal, Tamil Nadu, Kerala and Assam?

BJP's win in West Bengal was predicted by four exit polls, namely Praja Poll, Poll Diary, Matrize and P-Marq, while TMC's win was predicted by People's Pulse. DMK could return to power in Tamil Nadu, claimed Matrize, People's Pulse and P-Marq. Congress-led UDF has edge in Kerala, said VoteVibe, Matrize and P-Marq. BJP might sweep Assam, said three exit polls.