Mazagon Dock Surges: ₹70,000 Cr Sub Deal Approved

Mazagon Dock Gets Its Biggest Order Yet For most of its 250-year history, Mazagon Dock Shipbuilders has been the quiet backbone of India's naval ambitions — building frigates, destroyers, and submarines in its Mumbai yard without much fanfare from Dalal Street. That changes now. The Union Finance Ministry has cleared Project-75I, a ₹70,000 crore programme to build six advanced conventional diesel-electric submarines for the Indian Navy, with [Mazagon Dock Shipbuilders](/stock/MAZDOCK) (NSE: MAZDOCK) confirmed as the construction partner alongside Germany's thyssenkrupp Marine Systems. The contract hasn't been signed yet, but the Finance Ministry clearance is the last major hurdle before ink hits paper. This isn't a routine defence order. Six submarines at roughly ₹11,600 crore per unit, built domestically over a projected 10-12 year delivery cycle, represents a revenue pipeline that dwarfs anything MDL has booked before. The yard already has the Scorpène-class P-75 programme in its history — it delivered INS Kalvari in 2017 and wrapped up the sixth boat, INS Vagsheer, in 2024. Project-75I is the sequel, but with considerably more complexity, more technology transfer, and considerably more money. What the Numbers Actually Mean for MAZDOCK MDL's revenue for FY24 came in at approximately ₹9,466 crore. A ₹70,000 crore order, even spread over 12 years, adds roughly ₹5,800 crore in annual revenue on top of its existing orderbook — which already stood near ₹38,000 crore entering 2025. In other words, this single programme could expand MDL's annual revenue run-rate by 60% or more once execution ramps up. Order backlog coverage, already at nearly 4x annual revenue, would stretch well past 8x. The market has been pricing in some version of this outcome for months. [Mazagon Dock Shipbuilders](/stock/MAZDOCK) has seen its stock re-rated significantly since the broader India defence manufacturing cycle picked up in 2022. But a Finance Ministry clearance is different from a ...