Chak De India promoted Hockey and it got dearer to Indian since then although it was an important sport 2 decades back.
Bhag Milkha Bhag is expected to promote athletics of the nation.Previously,Paan Singh Tomar had promoted the same.
Prior to that, Apne was all about Boxing and Bend it Like Beckham and Goal promoted football . There are many more movies which are a reason why the Indians are thinking beyond cricket.
But is bollywood’s impact limited to Sports ? 😉