In the first game, the Olympic silver medallist faced a tough fight from the local player as both the players sweat it out for each point, but it was Sindhu who had the upper hand in the game.
China's pull-out blows a big hole in the draw for the three world tour events from January 12 in Bangkok, the first in Asia since Covid-19 shut down the sport in March
The group were flown to North Sumatra province on Friday, a day after arriving in Indonesia from a wildlife rescue centre in Malaysia that was caring for the creatures.
Lahiri maintained his resurgence in form with a closing 67 which moved him up to 31st position in the latest rankings on Sunday while a final round 3-under 68, which included four birdies and a lone bogey at Port Royal Golf Course
The monarchy has long been considered sacrosanct in Thailand, and is protected by a law that makes defaming senior royals punishable by a prison term of three to 15 years.