Swan Defence Trading: Swan Defence and Heavy Industries Limited (SDHI), a prominent player in India’s shipbuilding, repair, and heavy fabrication sectors, will resume trading on the National Stock Exchange (NSE) and Bombay Stock Exchange (BSE) on January 20, 2025, under the script codes 533107/SWANDEF. This marks a new chapter for the shipyard, previously known as Reliance Naval and Engineering Ltd, after its acquisition and rebranding by Swan Energy Limited in January 2024.
Director Vivek Merchant described this milestone as the beginning of an exciting phase, emphasizing SDHI’s strategic location, advanced infrastructure, and growth potential. He stated, “Our goal is to establish the shipyard as an internationally recognized center of innovation and craftsmanship, contributing to India’s reputation among the world’s top shipbuilding nations.”
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According to CNBC, the shares will trade in the T Group, requiring mandatory delivery in every transaction and prohibiting intraday trading and BTST (Buy Today, Sell Tomorrow).
Recently, SDHI demonstrated its operational strength by completing the refit of the Indian Coast Guard’s fast patrol vessel, Raj Ratan, ahead of schedule. The company operates India’s largest shipbuilding and fabrication facility on the west coast, with a 662m x 65m dry dock and a fabrication capacity of 144,000 tons annually.
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On Friday, Swan Energy’s shares dipped slightly by 0.39%, closing at ₹682, but the focus remains on SDHI’s long-term growth, with its cutting-edge technology and world-class infrastructure poised to advance India’s maritime economy.

