Mumbai, May 15 -- Himanta Biswa Sarma, Assam's finance and PWD minister and convener of the North East Democratic Alliance (NEDA), spoke to Shishir Gupta about the Bharatiya Janata Party's (BJP) election battle in West Bengal against the Mamata Banerjee-led Trinamool Congress (TMC). Sarma, who leads one of the 20 special teams deployed by BJP president Amit Shah with a special focus on West Bengal, said the state will throw up a "big surprise" in the Lok Sabha elections. Present in Kolkata on the day of the BJP chief's roadshow, Sarma also spoke about issues ranging from the Citizenship Amendment Bill to the Opposition's onslaught. Edited excerpts:...