So to start Reliance jio has been a game changer in the market and has played a very important role in shaping the current telecom market who had thought that 4g data would be this cheap before jio no right. I have been using jio for past 2 years and my experience has been some what great as in starting the cellular connectivity wasn't that good for jio and it struggled to maintain a faithfull connection while calling but since that time jio has improved a lot and this has been very good as now I can reliably use jio as my primary sim rather than a secondary sim for data only. The call quality has improved a lot lately and is as stable as airtel on 3g connection which is the maximum that we can get in current market. It had very good plans is quite affordable ( I am a Student and use it as my net connection in hostel no need to pay for hostel wifi this helps to save cost)
Pros:
Easy to get
Highly reliable
Cheap data rates ( no rate for calling)
Cons
Needs only volte cannot switch to 3g for connectivity.