India, April 29 -- MP Derek O'Brien on Wednesday challenged Prime Minister Narendra Modi to resign if Chief Minister Mamata Banerjee and the All India Trinamool Congress retain power in the West Bengal Assembly elections.

Derek said, "Narendra, you had announced that you are the candidate for all 294 seats in Bengal."

"Drop the big talk. Accept this challenge. On May 4, when Mamata Banerjee and TMC win Bengal, resign from the Prime Minister's post. Got the guts?" he said.

His remarks came as voting was underway across 142 seats in the second phase of polling in the eastern state on Wednesday.

Around 32.1 million voters are expected to decide the fate of candidates in an intense contest between the ruling TMC and the Bharatiya Janata P...