1) Rs303 recharge every month. Then in case users who do not need data connection everytime must not opt for Jio prime membershio because if you dont take prime membership then you can still choose from so many base plan.
2) If you are a student then it is a loss to you because jio prime member will not be entiteld to claim 25% extra student data but non- prime member can enjoy it.
3) Happy Hours 2am to 5am not available for Prime member. Happy hours is the time where you get Unlimited 4G Data between 2am to 5pm.
4) As you are using the jio from some time then you have must noticed problem in voice calls specially for non-volte smartphone.
5) Jio signal coverage is poor in some cities due to which speed problem occurs. Airtel and vodafone signals are better than Jio.