Economy of West Bengal Parks of India) earth stations in Kolkata, Durgapur, Kharagpur, Haldia and siliguri. Digha has been selected as the cable landing station for the submarine cable laying project connecting India and South East Asia. BSNL has an optical fiber network of 15000 km route in West Bengal. Reliance group's Jio Infocomm has laid 4500 km of optical fiber network in the state for its 4G network. Under National Optic Fibre Network (NOFN) mission, optical fibre cable will be laid in 341 blocks covering most of the gram panchayats in West Bengal. Spread over 2640 acres at Dumdum in Kolkata, the largest
Tourism in West Bengal hard enough for cars to drive on. There are many hill stations in North West Bengal, of which Darjeeling is world-famous. Others are Kurseong, Kalimpong, Rimbick, Lava and Loleygaon, Mirik and Sandakfu. West Bengal has 3.26% of its geographical area under protected areas comprising 15 wildlife sanctuaries and 5 national parks — Sundarbans National Park, Buxa Tiger Reserve, Gorumara National Park, Neora Valley National Park, Singalila National Park, and Jaldapara National Park. West Bengal also has wildlife sanctuaries and bird sanctuaries like Chintamani Kar Bird Sanctuary and Raiganj Wildlife Sanctuary. As of 2009, recorded forest area in the state is