A new clause in two tenders worth Rs 300 crore floated by the Mumbai Metropolitan Region Development Authority (MMRDA) for Metro station works has become a bone of contention between the authority and contractors. Industry players argue the clause unfairly limits competition and sidelines firms with proven experience in Metro infrastructure works. The point of disagreement — companies already executing two or more similar Metro station projects in Mumbai are now barred from bidding for fresh station works on the upcoming Metro Line 4, which runs from Wadala to Kasarvadavli in Thane. Infrastructure firms have sounded alarm bells, calling the move “restrictive”, “arbitrary” and “against fair competition”. MMRDA on April 27 floated two tenders for architectural finishing and plumbing works at 10 stations on Wadala–Ghatkopar–Mulund–Thane–Kasarvadavali Metro corridor, splitting the project into two packages covering five stations each.…