Pursuant to Regulation 34 (1) of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we submit herewith a copy of the Annual Report of the Company for the financial year 2025-26.

R6gd. Oflics : "lndsil House", Samy Road (West), R.S. Puram I N DSI L HYDRO POWER AND MANGANESE LIttlITED C Pho oim nb ea :t o (+ro 9 1/0) (1 4 0 20 22 ) . 4522922.23 Fax . (+91tol (422) 4522925 e-mail : indsilho@indsil.com website r www.indsil.com CIN : 1271 01T21990P1C002849 August 21, 2026 Listing Department BSE Limited 25rh Floor, Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai - 400 001 BSE Scrip Code: 522165 Dear Sir / Madam Subject: Submission of Annual Report for the financial year 2025-26 pursuant to Regulation 34(1) of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 ln terms of Regulation 34(1) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we submit herewith a copy of the Annual Report of the Company for the financial year 2025-26 for your records. A copy of the Annual Report is also being available on the website of the Company Thanking You, Yours truly For INDSIL HYDRO POWER AND MANGANESE LIMITED Kalidoss U Company Secretary & Compliance Officer Unit . I : Factory : Vl - 679, Pallatheri, Elapully, PALAKKAD - 678 007, Kerala. Phone : (+91/0) (491 ) 2967333 E-mail : ielofflce@indsil.com Unit . ll : Factory : Merakamudidam l/andal, GARBHAM - 535 102, Vizianagaram, Andhra Pradesh. Mobile .8008/. 44727 Indsil Hydro Power and Manganese Limited INDSIL 36th Annual Report 2025-26 CORPORATE INFORMATION BOARD OF DIRECTORS Sri Vinod Narsiman Sri R Muthiah Whole-Time Director Chief Financial Officer Sri S Thangaraj (wef 28.05.2025) Whole-Time Director Sri U Kalidoss (w.e.f 04.10.2025) Company Secretary Sri Vishwaa Narasiman (w.e.f 04.10.2025) Smt T Kalaivani Smt V Gayatri Sri R Narasimhan Sri Rudra Narsiman (w.e.f 04.10.2025) Smt Anu Murali (w.e.f 04.10.2025) STATUTORY AUDITORS SECRETARIAL AUDITORS COST AUDITOR Divya K R & Associates M/s MDS & Associates LLP Sri B Venkateswar Chartered Accountants Company Secretaries Cost Accountant Coimbatore Coimbatore Coimbatore REGISTERED OFFICE REGISTRAR & SHARE TRANSFER AGENT PLANT LOCATIONS “Indsil House” (PHYSICAL & DEMAT) Works Smelter Unit I VI-679, Pallatheri, Elapully, Door No.103-107 T.V. Samy MUFG Intime India Private Limited Palakkad - 678 007, Kerala Road(West), R.S. Puram, (Formerly Link Intime India Private Limited) Works Smelter Unit II Coimbatore – 641 002, Tamil Nadu “Surya”, 35 Mayflower Avenue, Merakamudidam Mandalam, Phone: 0422 4522929 Behind Senthil Nagar, Sowripalayam Road, Garbham - 535 102, Vizianagaram Dist., Andhra Pradesh Email: indsilho@indsil.com Coimbatore - 641 028, Tamil Nadu Hydro Electric Power Plant Phone: 0422 4958995, 2539835/6 VIII/351, Rajakkad, Email: investor.helpdesk@in.mpms.mufg.com Idukki District - 685 566, Kerala 2 Indsil Hydro Power And Manganese Limited Table of Contents Notice 4 Directors Report 29 Management Discussion and Analysis 49 Report on Corporate Governance 53 Auditors Report on Standalone Financial Statements 73 Standalone Financial Statements 84 Auditors Report on Consolidated Financial Statements 118 Consolidated Financial Statements 125 Indsil Hydro Power And Manganese Limited 3 Notice of the 36th Annual General Meeting NOTICE is hereby given that the 36th Annual General Meeting (“AGM”) of the Shareholders of the Company will be held on Thursday, 17th September 2026 at 12.00 PM (IST) through Video Conferencing (“VC”)/ Other Audio-Visual Means (“OAVM”) to transact the following business: ORDINARY BUSINESS 1. To receive, consider and adopt the Standalone and Consolidated Annual Financial Statements including Statement of Profit and Loss (including other Comprehensive Income), the Statement of Cash Flows and the Statement of Changes in Equity for the financial year ended 31st March 2026, the Balance Sheet as at that date together with the Reports of the Board of Directors and the Auditor’s thereon. 2. To declare a dividend for the financial year ended 31st March 2026. 3. To appoint a director in the place of Sri. Vinod Narsiman (DIN: 00035746), who retires by rotation and being eligible, offers himself for re-appointment. 4. To appoint a director in the place of Sri. Subbia Thangaraj (DIN: 06459324), who retires by rotation and being eligible, offers himself for re-appointment. SPECIAL BUSINESS 5. To consider and if thought fit, to pass the following resolution as an Ordinary Resolution: RESOLVED THAT pursuant to the provisions of Section 148 and other applicable provisions, if any, of the Companies Act, 2013 read with the Companies (Audit and Auditors) Rules, 2014 (including any statutory modifications or re-enactments thereof for the time being in force), Sri B Venkateswar (Membership No.27622), Cost Accountant, Coimbatore who was appointed as Cost Auditor by the Board of Directors of the Company on the recommendation of the Audit Committee, to conduct audit of the cost records of the Company for the financial year ending 31st March 2027 on a remuneration of Rs. 20,000/- (Rupees Twenty Thousand only) (exclusive of applicable taxes and re-imbursement of travelling and out of pocket expenses incurred by him for the purpose of audit) be and is hereby ratified and confirmed. RESOLVED FURTHER THAT the Board of Directors of the Company be and is hereby authorised to do all such acts, deeds, matters and things as may be considered necessary, desirable or expedient to give effect to this resolution. 6. To consider and if thought fit, to pass the following resolution as a Special Resolution: RESOLVED THAT pursuant to the provisions of Sections 149, 150, 152, 160, Schedule IV and other applicable provisions, if any, of the Companies Act, 2013 (“the Act”) read with the Companies (Appointment and Qualification of Directors) Rules, 2014 (including any statutory modification(s) or re-enactment(s) thereof for the time being in force) and the applicable provisions of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, (“Listing Regulations”) (as amended) and pursuant to the Articles of Association of the Company and upon the recommendation of the Nomination and Remuneration Committee and the Board of Directors, the consent of the members of the Company be and is hereby accorded for the re-appointment of Smt. T Kalaivani (DIN: 09706304), who had submitted a declaration that she meets the criteria of independence under Section 149(6) of the Act and Regulation 16(1)(b) of the Listing Regulations and whose name is included in the databank as required under Rule 6 of the Companies (Appointment and Qualification of Directors) Rules, 2014 and who is eligible for re-appointment and in respect of whom the Company has received a notice in writing under Section 160 of the Act from a member proposing her candidature for the office of Director, as a Non-Executive Independent Director of the Company, to hold office for a second term of 5 (Five) consecutive years with effect from 19th August 2027, not liable to retire by rotation. 4 Indsil Hydro Power And Manganese Limited RESOLVED FURTHER THAT the Board of Directors be and are hereby authorized to do all acts and take all such steps as may be necessary and/or give such directions as may be necessary, proper or expedient to give effect to the above resolution without being required to seek any further consent or approval of the members and the members shall be deemed to have given their approval thereto expressly by the authority of this resolution. 7. To consider and if thought fit, to pass the following resolution as a Special Resolution: RESOLVED THAT pursuant to the provisions of Sections 149, 150, 152, 160, Schedule IV and other applicable provisions, if any, of the Companies Act, 2013 (“the Act”) read with the Companies (Appointment and Qualification of Directors) Rules, 2014 (including any statutory modification(s) or re-enactment(s) thereof for the time being in force) and the applicable provisions of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, (“Listing Regulations”) (as amended) and pursuant to the [Showing first 8,000 characters — download PDF for full document]