Gangasagar Mela is the largest fair celebrated in West Bengal. This fair is held where the Ganga and the Bay of Bengal form a nexus. Hence the name Gangasagar Mela.A dip in the ocean, where the Ganga drains into the sea is considered to be of great religious significance particularly on the Makara Sankranti day when the sun makes a transition to Capricorn from Sagittarius and this town becomes home to vast fairs, drawing visitors and recluses from all over the state.