A group of commuters play a card game on a suitcase held between their legs inside a crowded rush hour suburban train in Mumbai February 2, 2011. According to the Western Railway, of the 14 million passengers that travel on Indian Railways every day, 6 million are in Mumbai alone - making it one of the most densely loaded train networks in the world. REUTERS/Vivek Prakash (INDIA - Tags: SOCIETY TRANSPORT IMAGES OF THE DAY)