** Shares of Garden Reach Shipbuilders & Engineers GRSE.NS rises 8.6% to 1783 rupees, highest since Dec. 17
** Warship builder signs pact with Nagaland's public works authority to supply steel bridges in the state
** Co did not disclose financial details of the deal
** Stock logs busiest session in over eight months, with more than 9.5 mln shares traded, 5.9x the 30-day avg
** Stock trades above 50-,100- day moving avgs; surpasses 200-DMA, signaling bullish momentum
** Stock up 6% so far this year, on top of an 85% jump in 2024
(Reporting by Aleef Jahan in Bengaluru)
((aleefjahan.cs@thomsonreuters.com))