BJP National General Secretary and the party in-charge for West Bengal Kailash Vijayvargiya has asserted that the Mamata Banerjee-led West Bengal government will "fall on its own" before 2021 - the year when the government's five-year term will officially come to an end.Speaking to reporters here on Tuesday, Vijayvargiya said, "I don't think Mamata Ji will go on till 2021, saying anything now would be premature, we are preparing for 2021 but this government will fall on its own."When asked about the impact of TMC's door-to-door campaign, he said, "The more she (Mamata) does door-to-door campaigns, (the more) it will benefit us. People want to end violence in West Bengal and only BJP can do it. In TMC rule, violence is at its peak."He also dismissed reports on faults in Electronic Voting Machines (EVMs) and said, "She also became Chief Minister with EVMs only. When she is winning then EVMs are good but when she is losing then EVMs are said to be tampered with. She should look at ...