Last month, I hardly used 60 minutes of calling and reliability of calling via BSNL is much higher than JIO 4G. Every time I call via JIOFI, I have to disconnect wifi and then reconnect to it for calls to get connect.
Meanwhile, BSNL 2GB/day + 25 Minutes hardly costs me 238 Rs. after this Holi offer. So Recharged 2 sims with this pack and connected them to load balancer.