This case involves appeals challenging the State of Bihar's notifications that increased the royalty rates for minor minerals. The Quarry Owners Association contested these increases, arguing they were beyond the ... State Government's authority under Section 15 of the Mines and Minerals (Regulation and Development) Act, 1957. The central issue is the extent of the power delegated to the State Government to fix royalty rates for minor minerals and whether these rates are controlled by any guidelines, particularly those established in a previous case, D.K. Trivedi & Sons and Ors. Vs. State of Gujarat and Ors.