Rochi,
Way too ambitious for 6 days. Thailand is a laid back place and to truely enjoy it you should cut down all that travelling and relax. 2 places max. You can get very cheap flights on air asia if you book in advance ($399 Baht for Bangkok-Krabi) and then you could spend 4-5 nights at Raleigh and day trip from there if you feel the need. You dont want to be exhasted by the time you get to India.

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I love Thailand this much