
Kumar, initially a fruit juice seller in Delhi, founded T-Series to sell pirated Bollywood songs before the company eventually began producing new music. While best known as a music label, T-Series has also had some moderate success as a film production company. T-Series also owns and operates the most-viewed and the most-subscribed YouTube channel, with 200 million subscribers and 172 billion total views as of 30 November 2021. As of 2014, T-Series is India's largest music record label, with up to a 35% share of the Indian music market, followed by Sony Music India and Zee Music.

It is primarily known for Bollywood music soundtracks and Indi-pop music.

Super Cassettes Industries Private Limited, doing business as T-Series, is an Indian music record label and film production company founded by Gulshan Kumar on July 11, 1983.
