this Is Not Hack or tricks it is Offer From Reliance To Its User
just dial *123*123# and press call button
You will see messge on screen Trail N Buy pack at 0 for 3 days.
Then You will get cricket score free till 3 days.
After two days when this service is active again press *123*123#and again subscribe for 3 days at 0.
And continue this process in 1 or 2 days.
It may different in every state. I checked it in Rajasthan
For other states I dont know. Just try.