Among the all operators.idea is the best one which provides u more offers.it gives 1gb for rs146.customer service is good.not bad.but when u come outside the city.it is diffucult for u to use 3g outside the city.thats not the main issue.it gives full talktime for u.bindly go for it.when u r in metropolitan city.idea is the best for those internet addicter its 4g speed is good when compare to another network like airtel