Mumbai Metro Line 4 targets delivery of first train set in December 2026, India October 19, 2026 | Asia Pacific News, News Mumbai Metro Line 4, an elevated corridor connecting Wadala and Thane, is targeting the delivery of its first train set in December 2026. The 30-km corridor is expected to strengthen connectivity acro... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password