Bhubaneswar: The Union Cabinet Committee on Infrastructure (CCI) on Tuesday approved improvement of the balance 600-km of State Roads in order to develop, in a phased manner, the entire 1,632-km-long Maoist-dominated Vijayawada-Ranchi corridor at an estimated cost of Rs 1,200 crore.

The project, which would be completed in next three years by March 2014, would also provide a good communication