There are multiple reasons why T-Series is about to be the most subscribed YouTube channel. Multiple videos on YouTube talk regarding this, but the fact is none of them handle the reasons very well. Most of these comparison videos are by non-Indian YouTubers who try their best and are successful in explaining the situation only to an extent.
I have tried my best to touch all points. Let us start with a short beginning. There are appropriate headings. You may skip any section you are not interested in, but if you want to get the clear picture and also know a bit more about India, then I would recommend you not to skip any section.