Uttar Pradesh is voting in the biggest democratic election anywhere in the world this year. If it were a country, Uttar Pradesh - with a population of nearly 220 million - would be the world's fifth-largest. Uttar Pradesh is shaping up to be a three-cornered contest. He is up against Prime Minister Narendra Modi's BJP, which swept Uttar Pradesh in the 2014 general election. Here's all about the complex caste politics equation in Uttar Pradesh Assembly election

Source: India Today February 20, 2017 06:45 UTC