The bar under Section 12 of the Hindu Minority and Guardianship Act, 1956 applies to:

The bar in s. 12 of the Hindu Minority and Guardianship Act, 1956 is narrow: "no guardian shall be appointed for the minor in respect of such undivided interest" in joint family property managed by an adult member. Guardians of the minor's person or separate property may still be appointed, and the section says nothing about removing a natural guardian.