Go here and find a plan that suits you best. There are a lot of plans, even the ones offering free Reliance to Reliance calls, but they differ from circle to circle. Visit their website, define your...
No. They are completely seperate. Reliance India was started by Dhirubhai Ambani, absolutely independant of the USA name sake. Reliance was split into two groups after the death of Dhirubhai Ambani...