Following the government order, tech giants Google and Apple had blocked the BGMI gaming app from their respective online stores late last month.
The letter requested Modi's urgent intervention in the matter, seeking his "counsel and guidance on working towards a more comprehensive dialogue and discussion in the future".
In the last year, the game developer invested nearly $100 million to improve India's local video game, e-sports, and entertainment startups to build a healthy gaming start-up ecosystem.
Other e-learning platforms that shined this year were FWD and Hotstep.
An update rolling out in Battlegrounds Mobile India Brings new possibilities such as a life barrier in some part of the map.
"To pre-register for Battlegrounds Mobile India, please visit the Google Play Store and click on the "Pre-Register" button and your rewards will automatically be available to claim on game launch."