As filed with the Securities and Exchange Commission on September 29, 2025 Washington, D.C. 20549 Form F-1 (Amendment No. 13) REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Green Circle Decarbonize Technology Limited (Exact Name of Registrant as Specified in its Charter) Registration No. 333-276943 (State or Other Jurisdiction of Incorporation or Organization) UNITED STATES SECURITIES AND EXCHANGE COMMISSION (Primary Standard Industrial Classification Code Number) Cogency Global Inc. 122 East 42 St ...