TECIL Chemicals and Hydro Power Limited has announced the closure of its trading window for dealing in securities. This closure will be effective from Thursday, January 1, 2026. The window will remain shut until 48 hours after the declaration of the unaudited financial results for the quarter and nine months ending December 31, 2025. This measure is in compliance with SEBI (Prohibition of Insider Trading) Regulations, 2015, and the Company's Insider Trading - Code of Conduct. It applies to Promoters, Directors, Designated Persons, their Immediate Relatives, and Specified Connected Persons. The date for the Board meeting to approve these financial results will be communicated in due course.