Aleena Khan scalped three wickets and scored an unbeaten 41 in a chase of 115. The win meant Qatar avoided the wooden spoon as Bhutan remained winless.
After choosing to bat, Thailand struggled as they lost four wickets in the powerplay for 22 runs. Phannita Maya held fort by scoring a 39-ball 40, a knock that featured six boundaries.
Team India are chasing history during the bilateral series - should they win the opening match, they will achieve an all-time record of winning 13 consecutive T20Is.
The Socceroos have set up a winner-takes-all match-up against Peru after defeating the UAE 2-1 at the Ahmad Bin Ali Stadium in Doha to progress in FIFA World Cup Qatar 2022 qualification.