Bids received for rolling stock contract of Chennai Metro Line 4, India September 30, 2021 | Asia Pacific News Chennai Metro Rail Corporation (CMRL) has received three bids for supply of 26 three-car trains for Chennai Metro Line 4. CMRL had invited tenders for the rolling stock package ARE03 in December 2020.... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password