Yes unfortunately, you'll only get 7 days which is designed for you to organise your flight to leave. So per calendar year. You get 60 days plus 30 day extension leave,come back 60 days plus 7 day extension.
Yes I'm not sure if you really have to attend. But I'm in Bangkok in a few days so I'll ask them . To be fair they probably don't mind as long as you paid up for a 6 month course. It definitely has to be a Muay Thai gym as the dtv visa is based on cultural experience.
. Iv been thought the documents with him already. He doesn't have the sports accredited certificate as he's just a small gym. Everything else he's got. It's a shame really.