Baseball/softball, sport climbing, surfing, karate, skateboarding at Tokyo 2020.Why no Squash,Kabaddi??
Rock climbing is gaining popularity in India.http://www.dnaindia.com/locality/thane/participants-see-hope-india-hosts-rock-climbing-world-cup-first-time-93428
In Karate,we can say there are medal hopes.http://www.sportskeeda.com/general-sports/indias-vivek-teja-world-karate-champion-martial-arts-championships