Please find the attached Trading Window Closure Notice

An ISO 9001-2000 Company 24th September, 2026 The Listing Department, BSE Ltd. (Designated Stock Exchange) PJ Towers, Dalal Street, Mumbai- 400 001 The Listing Department, National Stock Exchange of India Ltd. Exchange Plaza, Bandra Kurla Complex, Bandra (E), Mumbai – 400 051 Dear Sir/Madam, Stock Code: BSE: 532925 NSE: KAUSHALYA Sub.: Closure of Trading Window In compliance with clause 4 of Schedule B read with Regulation 9 of SEBI (Prohibition of Insider Trading) (Amendment) Regulations, 2018, this is to inform you that “Trading Window” for dealing in securities of the Company, will remain closed from 01st October, 2026 till 48 (Forty- eight) hours after the declaration of Un-audited Standalone and Consolidated Financial Results of the Company for the Quarter ended 30th September, 2026. Accordingly, all the “Designated Persons” and “their immediate relatives” have been intimated not to enter into any transaction involving shares of the company during the aforesaid period of closure of trading window. The date of Board Meeting in which financial results would be considered shall be intimated in due course. This is for your information and record. Thanking you, Yours faithfully For Kaushalya Infrastructure Development Corporation Ltd. Sanjay Lal Gupta Whole-time Director & Company Secretary DIN: 08850306 KAUSHALYA INFRASTRUCTURE DEVELOPMENT CORPORATION LIMITED HB 170 Sector III, Salt Lake, Kolkata 700 106. Ph: 91-33-2334 4166, Fax: 91-33-2334 4148 Email: info@kaushalya.net Website: http://www. Kaushalya.net CIN – L51216WB1992PLC055629