Brahma Mishra, who played Lalit in the critically praised sitcom Mirzapur, died of a heart arrest on November 2, according to news agency ANI.
The actor's death was discovered at his residence, according to the police, and an Accidental Death Report (ACD) was filed.
The body was taken to a local hospital for an autopsy, but the results have yet to be received.
Divyenndu, who plays Munna in the show, dropped his selfie with the late actor as he mourned the passing of his co-star.
"RIP Brahma Mishra," he captioned the image as he shared the heartbreaking news with his fans. Our Lalit is no longer with us. Let us all pray for him."
Fans and other members of the media fraternity began sending their sympathies as soon as the post went live on Instagram.
Shweta Tripathi Sharma also paid respect to Brahma on her Instagram Story, writing, "RIP Brahma." I consider myself fortunate to have known and worked with you."
The platform that aired the concert also posted a homage to the dead on its official account, saying, "Thank you for making us laugh, and thank you for making us cry, Brahma Mishra, our Lalit. Thank you for always reminding us of the importance of friendship's loyalty and love. RIP, you will always be in our hearts."