Bangalore Metro Rail Corporation (BMRCL) is preparing tender documents for work on Namma Metro phase II as the central government's approval for the project is in the final stage, N Sivasailam, Managing Director of the corporation said.

The project includes four extension lines (including above two) and two new lines with a total length of 72 km with an estimated cost of Rs 26,405 crore.

Phase II would begin with extension of East-West Corridor on both ends, i.e. from Mysore Road to Kengeri and Baiyappanahalli to ITPL-Whitefield.

The ITPL-Whitefield line costing Rs 4,845 crore, would connect Jyothipuram, KR Puram, Narayanapura, Mahadevapura, Garudacharyapalya, Doddanakundi, Visveswaraya Industrial Estate, Kundalahalli, Vaidehi Hospital, Satya Sai Medical Institute, ITPL, Kadugodi, Ujwala Vidyalaya and Whitefield.

BMRCL expects to complete Phase II project by 2017-18. Once both phases are complete, they would provide connectivity from Majestic to Whitefield in the east, Kengeri in the west, BIEC along Tumkur Road in the north and Anjanapura Township in the south.