Reliance Jio Has Launched Their Welcome Offer A Few Months Ago.They Are Providing Free Unlimted Data, Calls( Needs Volte Support Or Can Use Their Jio4gVoice App) , Sms.The Speed At Starting Was Good But Now It Is Slower Due To Much Traffic.They Offer 4gb Of 4g Data And After Your 4gb Is Over You Get Unlimited 3g.Recently Mukesh Ambani Launched One More Offer Known As Jio Happer New Year Offer.If You Took A Jio Simcard Before 3rd December You Can Enjoy Features Of The Welcome Offer.But If You Take A Sim Card After 3rd December You Will Be Considered In Jio New Year Offer.They Both Offer Almost Same Features But Just The Data Limit Is 1 gb In New Year Offer Instead Of 4 gb In The Welcome Offer.The Welcome Offer will continue Till 31st December And Then All The Users Will Shifted To New Year Offer Which Will Extend Till 31st March.