(1) that a lessee of a coal mine was liable to pay royalty for the period beginning from the date of vesting of an estate under the Bihar Land Reforms Act to May 31, 1958 at 5% of F.O.R. price of coal subject to a minimum of eight paise per ton by virtue of section 29 of the 1957 Ace read with Rule 41 and Schedule I of Mineral Concession Rules, 1949, and at the same rate from the date on which the 1957 Act came into force by virtue of section 9(1) of the said Act read with Second Schedule thereto because neither section 30A nor the notification issued thereunder was applicable to the said lease in view of the effect of the vesting of estate in the State of Bihar and the coming into existence of a new lease by force of section 10 of the Act which could not be said to be a lease granted before October 25, 1949 which alone was the subject matter of section 30A of the 1957 Act.