The 5.5-inch Ultra II runs of Android Jelly Bean 4.2 and is powered by a 1.3 quad core processor.
The handset sports an 8 megapixel rear camera with HDR and a 2 MP front camera with LED flash, it said in a statement.
It has a 2500 mAh powerful battery and comes with an ultimate power saver mode for 75 percent extra saving on battery time.
The ULTRA II is available in white and electric graphite and is priced at Rs 12,500. The phone will be available at Idea's major 3G markets - Andhra Pradesh, Kerala, Maharashtra & Goa, MP & Chhattisgarh, Haryana, UP West, and UP East.

"With the launch of new device, Idea's portfolio of 3G smartphones has gone to 15 and the company has already sold over 6.5 lakh devices," Idea said.