Walking a city is one of the best ways to explore its character and hidden nooks. It is when you are on foot that you get to know the beat of the city. You can always walk around by yourself and discover a city you are in, at your own pace. Or you could sign up for a good walking tour. Kolkata is one of the most walkable cities in India. And we’ve rounded up some great walks you should sign up for - from a short one around central Kolkata to an exploration of the city’s Raj-era crimes.