There are many working apn(s) for jio

• jionet
• jiodata
• jio4g
• www
  

So you can check accordingly and choose the best - for proper speeds..

Similarly for APN type : you can just use default or xcap or supl
also combinations like default,xcap  

name of the apn profile has nothing to do with speeds, Only the apn name , type are important.
It is also adviced to use ipv4/ipv6 throughout your profiles.