As many as seven infra builders out of the ten, who submitted bids for Mumbai Metro’s two elevated corridors — Metro Line 2B and Metro Line 4, have bagged contracts, industry sources said. Four packages were up for bidding in the DN Nagar-Bandra-Mankhurd Metro-2B corridor and there were five packages of Wadala-Ghatkopar-Mulund-Thane-Kasarvadavali Metro Line-4 corridor. The contract winners included Reliance Infrastructure and L&T, who bagged two packages each. Reliance Infra participated in the bidding in joint venture with Italy-based Rizzani de Eccher S.p.A (RdE) and the contracts won by each company is in the range of Rs.1,200-1,400 crore. The remaining five packages were won by NCC Infra, Simplex Infrastructures, JMC Projects, TPL-CHEC (a joint venture between Tata Projects and China Harbour Engineering Company), and Mumbai-based J Kumar Infra projects. The joint venture won the Mumbai Metro Line-4 package CA12 for 6 km corridor from Kapurbawdi to Kasarvadavali with 6 elevated stations valued at around Rs.675 crore. The Mumbai Metropolitan Region Development Authority (MMRDA) has estimated the total cost of Metro Line 2B at Rs.10,980 crore and of Metro Line 4 at around Rs.14,500 crore. The construction of the elevated viaduct and stations has to be completed within 30 months for both the corridors.