MUMBAI, April 4 -- The Comptroller and Auditor General (CAG) of India has come down heavily on Indian Railways for the inordinate delay in Central Railway's ongoing construction of the 5th and 6th rail lines between CSMT and Kurla. The project, which was launched 17 years ago in 2008, is still incomplete. It has now been divided into two phases: Kurla to Parel under Phase 1, where the work is currently underway, and Parel to CSMT as Phase 2....