TD Power Systems Limited has announced the closure of its trading window for designated persons, their immediate relatives, and other insiders. The closure will be effective from January 01, 2026, and will remain in effect until 48 hours after the disclosure of the unaudited financial results for the quarter and nine months ending December 31, 2025. The company will inform the stock exchanges in due course about the date of the Board Meeting convened for the consideration of these financial results. This measure is in compliance with the SEBI (Prohibition of Insider Trading) Regulations, 2015, and the Company's Code of Conduct.