Hi Gowthami, Pichavaram Mangrove Forest is one of the most beautiful destinations one can visit in the entire country, and isn't on the tourist map yet, so it's never really crowded. To reach the forest, you will have to reach Chidambaram, the nearest town. You can take a cab and reach here from Chidambaram in Rs. 800 (round trip). For a cheaper option, consider hopping onto the local buses that ply between Chidambaram and Pichavaram Forest. The one-way ticket will cost you just Rs. 10. Buses run hourly, but it may be difficult to find a bus after 9:00 pm. To reach Cidambaram via local transport, you can either take a train or a bus. A train will take about 3.5 hours to cover the distance and the ticket will set you back by Rs100. You can also take a bus, which wont cost you more than Rs.100 as well. Have a safe trip! -ET