Reliance Jio free Disney+ Hotstar offer: How to activate

MRP: 401 Rs.
Pack validity (days): 28
Total data (GB): 90
Data at high speed: 3GB per day + 6GB (Post which unlimited @ 64 Kbps)
Voice: Jio to Jio Unlimited, Jio to Non-Jio FUP of 1000 minutes
SMS: Unlimited (100 / day)
Jio Apps: Complimentary subscription