Longtails out of Krabi, night temples in Chiang Mai, the two markets outside Bangkok. Tell me the shape of the trip and I'll price every leg live.

One night a year, on the Lanna full moon. The release everyone photographs is ticketed and 30–45 minutes outside the city — not the free one in town, which runs the same nights and is worth doing as well.
Thailand waives the visa fee for Indian passports on stays under 60 days — you land, you get stamped. We still check your return ticket, funds proof and hotel confirmations before you fly, because those are what get people turned around at immigration.