But All shopkeepers have bsnl,
Airtel, Vodafone and Jio simcard 
Available at all stores
But they don't sell BSNL !! Why ??
Go and search in market if you Get BSNL Sim card. And BSNL don't have any fixed recharge plan's they change almost every month 
#BSNL
@BSNLCorporate
#BSNL