Early morning, again you will be taken for the boat Safari at the Sunderban National Park. Experience the beauty of the mangrove and the wildlife at Sunderban.Tracking for tigers will be done continuously and chances are that you may get to sight a tiger if you are extremely lucky. Breakfast lunch and tea/ coffee will be served on the boat. In Sunderban you will have the whole day on the boat for safari. You will spot crocodiles, monkeys, spotted deer and look out for the Royal Bengal Tiger. Sunderban is a UNESCO site and a great experience in itself. It has the most deadliest tigers in the world. Evening return to Kolkata .Dinner and overnight at Kolkata Hotel.