BSNL ISDN PRI Odisha Tariff with Unlimited Call, 2000 DID Extensions

Here is the new ISDN PRI plan 25000 introduced for BSNL Odisha circle with new unlimited tariff allowing 2000 DID (Direct Inward Dialing) connections, what is the security deposit, who can provide...

source https://bsnlteleservices.com/bsnl-isdn-pri-tariff-did-extensions-odisha/