Withdrawal of Blackberry plans under GSM service Revised 24-10-13
Promotional offer in BIS social plan under blackberry 18-09-12
Data charging of Blackberry Customers using BSNL APN - Clarification reg 21-01-15
Blackberry Z10 tariff - Promotional offer 12-03-13
Blackberry BBZ10 promotional offer - Clarifications 15-05-13
Blackberry Z10 tariff plans - clarification 22-03-13