Contacting related bitcoin companies in your area would be a good start. Also doing research on the existing regulations of running the btc atm in your location will help.
This is where you need to contact the local government where you live and make sure your country government accepts bitcon transactions in the community, because if the government does not accept it, legally you This can not be done. There are already a few bitcoin countries that have installed a lot of bitcoin ATMs to facilitate their transactions.