Bharatiya Janata Party (BJP) national president JP Nadda on April 09 held a roadshow in Rajarhat of Gopalpur constituency. During the roadshow, Nadda slammed West Bengal Chief Minister Mamata Banerjee on various issues. The first three phases of the eight-phased West Bengal polls have already taken place. The fourth phase of the elections will be held on Saturday. Counting of the votes will take place on May 02.