#3 A surprise appearance
A handful of big names has been advertised for the show in Mumbai with Alberto Del Rio and Bobby Lashley being the biggest ones from the lot. But Impact could do more than this. If they pull off a surprise appearance from someone who is not advertised for the show, it would certainly excite the fans.
Cody Rhodes and Scott Steiner are two particular names that could evoke a huge reaction from the crowd in India. Both are established names and the shock value of their surprise appearance is bound to make for a memorable moment.
The rich history that Cody and Steiner have with the WWE would make it easier for the casual viewers to connect with them. It is also a good way for Impact to attract a new audience to their product as a portion people who tune into WWE may not be aware of Impact.