Telenor first company which is achieve more success in 3 or 4 years.and it has not 3g or 4g network but in call rates are so good on compare to all.
I have 2 uninor gallaries and market of uninor sim are awesome .plans are so good and incoming is free and outgoing charges are 25paise per min.
You have to buy sim for talking please try uninor sim and it plans
Most of people use this sim for only outgoing beacause call rates are at low prices.
So buy uninor sim and enjoy.