Indian YouTube-channel T-series, which publishes music videos and movie trailers, was the first in the history of the service to gain 100 million subscribers. The current number of subscribers can be viewed on the YouTube channel page .

Since October 2018, the channel has vied with blogger Felix Chelberg under the nickname PewDiePie for the title of the most popular YouTube channel. Currently, the difference between T-series and PewDiePie is about 3.4 million subscribers. In support of PewDiePie, they launched an advertising campaign with billboards and ads on the radio, Chelberg himself recorded a hymn to promote his channel.

It is worth noting that the T-Series channel gained about 10 million new fans in two months: on March 21, 90 million and 493 thousand people signed up for the account. This profile is owned by a giant music company from India, and new clips are regularly published in it.