Bharat Sanchar Nigam Limited (BSNL) has partnered with U2opia Mobile to provide users Facebook access through unstructured supplementary service data (USSD) technology.

The operator will charge its subscribers Rs 4, Rs 10 and Rs 20 for three days, weekly and monthly Facebook plans, respectively. Initially, BSNL will offer the service to its users in the East and South zones and subsequently launch the service in the West and North zones.

Facebook access through USSD enables users to access the social networking account, view-post status messages, respond to friend requests, write on friends? walls, view birthday reminders and send messages, without internet or data connection.

Traditionally, service providers have been using USSD technology to send alerts to their users. It can be used for prepaid call-back service, location-based content services and menu-based information services.