The following chart shows the presence of mangroves in the different states of India and the total area covered by them in square kilometres.
Reference 1: Total Mangrove Cover in km2.
Reference 2: West Bengal, Gujarat, Andaman And Nicobar Islands, Andhra Pradesh, Odisha, Maharashtra, Tamil Nadu, Goa, Kerala and Karnataka.
Source: http://en.wikipedia.org/wiki/Mangrove
Reference 2: West Bengal, Gujarat, Andaman And Nicobar Islands, Andhra Pradesh, Odisha, Maharashtra, Tamil Nadu, Goa, Kerala and Karnataka.
Source: http://en.wikipedia.org/wiki/Mangrove