NEW DELHI: Project Investment Board of the Centre has approved three lines of Delhi Metro phase IV measuring over 40 Kms. The total cost is expected to be around Rs 12,586 crore. A senior official said the board under the Ministry of Finance approved the remaining three lines — Rithala-Bawana-Narela (22.91 km), Lajpat Nagar-Saket G-Block (8. 38 km) and Inderlok-Indraprastha (12.37 km) — of the Metro phase IV.
