Thousands have taken to the streets of New Delhi, reigniting calls for India's election chief to step down over a revision of voter lists. Demonstrators marched from central New Delhi to Ramlila Maidan, a big public square in the capital. Protests on Nov 1, led by opposition leader Rahul Gandhi, is the latest in a series of rallies challenging Prime Minister Narendra Modi's government. Ishan Garg reports from New Delhi.