The Nifty India Defence Index jumped 4% with all 18 stocks in green. MTAR, BEML, GRSE, Astra Microwave, and Bharat Dynamics led gains. GRSE faces resistance near ₹2,560, with potential upside to ₹2,800, while analysts see Data Patterns breaking out toward ₹3,000. Defence output and exports hit record highs in FY25, boosting sector sentiment.