According to Hindu Minority and Guardianship Act, which of the following is correct?

Section 7 - The natural guardianship of an adopted son who is a minor passes, on adoption, to the adoptive father and after him to the adoptive mother. Option b- Section 8 – (2) The natural guardian shall not, without the previous permission of the court— (a) mortgage or charge, or transfer by sale, gift, exchange or otherwise, any part of the immovable property of the minor; or (b) lease any part of such property for a term exceeding five years or for a term extending more than one year beyond the date on which the minor will attain majority. Option c- Section 10 - Incapacity of minor to act as guardian of property—A minor shall be incompetent to act as guardian of the property of any minor Option d - Minor means a person who has not completed the age of eighteen years