National Aluminium Company Limited (NALCO) has been fined ₹5,42,800 by both BSE Limited and the National Stock Exchange of India (NSE) for non-compliance with Regulation 17(1) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. The non-compliance pertains to the quarter ended December 31, 2025. The total financial implication for the company amounts to ₹10,85,600, which includes 18% Goods and Services Tax (GST) for both fines combined. NALCO received communications regarding these fines on February 27, 2026. The company is currently in the process of representing its position to BSE and NSE regarding the identified non-compliance.