Tata Indicom on Tueday announced STD calls at 50 paise a minute for the northern zone with an additional monthly rental of Rs 75.

All existing and new post-paid mobile subscribers would be able to avail of the new package, known as 'North Corridor Pack', the company said.

Launching the scheme, Tata Teleservice Chief Operating Officer Vineet Bhatia said that 75-80 of STD calls from Delhi are within the north circle (Punjab, Haryana, UP, Himachal Pradesh and Rajasthan) and this scheme would benefit the Indicom subscribers.