With lot of islands to visit, adventure to explore, Andaman Nicobar islands is one such travel place of India which is a must to visit. To explore Andaman you need 4 full days. So the cost ranges between 25k to 40k based on your mode of transport and place of stay.
It depends on many things, like the island you are staying on, water sports, food etc. but you should keep 50k per person including flights for 5 days. Things are pretty expensive there as everything goes there from.the mainland, only the sea food is locally available.