Indian markets surged after GST rate cuts shifted essentials, autos, and durables into lower tax brackets, boosting demand hopes. Nifty rose 175 pts to 24,890, with Sensex up 623 pts. Autos led gains as small cars, hybrids, and two-wheelers saw GST drop to 18%, while FMCG majors like ITC, Britannia, and HUL gained on 5% GST for food staples.