Benares, the world's oldest living city has been adrenalised into the political capital of Elections 2014. Arvind Kejriwal of the Aam Admi Party files his nomination today. Running against him for Parliament is Narendra Modi, the BJP's prime ministerial candidate and Ajay Rai, a lawyer, who is the Congress candidate. In an election where Mr Modi is being forecast as the front-runner for the country's top job, is Benares a token fight? Barkha Dutt talks to voters at Bhaiyya Lal's tea stall.