https://www.scconline.com/blog/post/2023/04/24/power-distribution-companies-have-to-pay-change-in-law-compensation-for-all-additional-charges-levied-by-state-instrumentalities-to-power-generators-legal-research-legal-news-updat/
Supreme Court explains what qualifies as ‘Change in Law’; directs DISCOMS to compensate Power Generators for all additional charges levied by State instrumentalities