Larsen & Toubro (L&T) has been awarded the contract for Package CA-234 under Mumbai Metro Line 4 & Line 4A, covering a 35.2 km stretch connecting Wadala, Kasarvadavali, and Gaimukh. The Mumbai Metropolitan Region Development Authority (MMRDA) declared L&T as the lowest bidder for this significant portion of the metro expansion project, with an estimated value of Rs 42.79 billion and a 19-year contract duration. The MMRDA had re-invited bids for this contract in February 2024. In November 2024, the technical bids revealed that two firms had submitted proposals for the contract. Under this contract, L&T will supply and install critical systems, including: 39 trains (234 coaches) for rolling stock, in collaboration with Alstom Transport CBTC signaling and train control systems Telecommunication systems Platform screen doors (PSDs) Depot machinery and plant for the Mogharpada Depot Funding for the project will be provided by Germany’s KfW, which will loan € 545 million for the design and construction phases, expected to take 168 weeks (approximately 3.2 years). MMRDA will oversee the maintenance for 17 years, including 2 years for defect management. The scope of work includes the design, manufacture, supply, installation, integration, testing, and commissioning of the rolling stock, signalling systems, telecommunications, platform screen doors, and depot machinery. This also includes 15 years of comprehensive maintenance after the initial 2-year defect liability period. The delivery schedule for the 39 trains is as follows: 1st batch: 1 Prototype Train – 1 year (Week 52) 2nd batch: 9 Trains – 1 year 4 months (Week 70) 3rd batch: 10 Trains – 1 year 8 months (Week 88) 4th batch: 10 Trains – 2 years (Week 104) 5th batch: 9 Trains – 2 years 2 months (Week 112) This development comes three years after Alstom Transport, initially awarded contracts for trains and signalling for Line 4, withdrew from the project in 2022 due to delays in civil construction, particularly the train depot, which lacked a finalised location at the time. (metrorailnews)