Why Sports Beyond Cricket Finally Found Sponsors

Indian sponsorship money has always had one obvious destination, and every few years somebody predicts that is about to change. Mostly it has not.
What has changed is narrower and more interesting. Sports beyond cricket are now buyable in a way they were not, and buyability rather than popularity was the actual constraint.
Why sports beyond cricket were skipped
Not because nobody watched. Kabaddi, football and athletics had real audiences long before they had real sponsors. They lacked a league structure, a fixed calendar and a rights holder who could sell a season as a product.
A media buyer cannot plan against an audience that exists but cannot be scheduled, and an audience that cannot be scheduled is invisible to the process that allocates money.
What actually changed
Franchise leagues gave these sports a season, a fixture list and a package. That converted a diffuse following into inventory, and inventory is what a plan can contain.
Streaming then removed the second barrier, because a sport no longer had to justify a national broadcast slot to be watchable. It only had to be findable.
Public money helped more than the industry admits. State leagues, federation backing and infrastructure spending gave several of these properties a calendar before commercial demand existed, which is the sequence most sports outside cricket have needed everywhere.
What the money is buying
Cheaper attention and a less crowded frame, which suits a challenger better than an incumbent. A brand in a category with four large competitors is one of many in cricket and can be the only one anywhere else.
The trade is scale. These properties do not deliver simultaneity, and a brand that needs everyone at once still has exactly one option.