The Jio users can get the redeem code so they can redeem the goodies in their PUBG game account. Here is a step by step guide to redeem the goodies using your Jio number.
Steps to Register for Exclusive Goodies in PUBG
How to Redeem the code in PUBG Lite
Conclusion
You will receive some skins and items for your player in PUBG. There is no need to log in to PUBG using the same e-Mail ID you provided during the registration. You can even give this code to someone if you want to so he can redeem it in their PUBG Lite PC.