Rs 26,000 crore order book : Railway expanding its business by entering the shipbuilding industry August 14, 2025 Ship Building, Company, Navy, Railway, Trade, Trending News KOLKATA : Titagarh Rail Systems Limited (TRSL) is expanding its business by entering the shipbuilding industry. TRSL’s Board of Directors approved the creation of a wholly-owned subsidiary named Titagarh Naval Systems Private Limited (TNSPL).