Battleground Mobile India (BGMI) developer Krafton has banned 99,583 accounts from December 13 till December 19. BGMI ban players if they have the game downloaded from unofficial channels or have illegal auxiliary programs running on the device.

source https://gadgets.ndtv.com/games/news/bgmi-battlegrounds-mobile-india-account-ban-december-13-19-update-illegal-game-activities-apps-krafton-pubg-2662508#rss-gadgets-all