RVNL Rail Vikas Nigam Ltd US FDA Inspection Announcement 2024 - MoU Signing Rail Vikas Nigam Ltd signed MoU with Airports Authority of India for construction of subway in Kolkata at an estimated cost of Rs. 229.43 crore..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Rail Vikas Nigam Ltd