Reliance Jio is popular because of its free internet services and lifetime free voice calling.
Worlds cheapest tariff packs for internet and voice calls was given by reliance Jio
Basically its a complimentary offer from reliance to all their new users. You will get every service for free till 31st December 2016.
You will get full 4G speed for first 4 GB data per day, after that 128 Kbps.
You can call, text unlimited during welcome offer.
Now the speed is reduced by Jio it’s not working as early it was worked