(2)Where, at the time of making an assessment under section 143 or section 144, it is claimed by or on behalf of any member of a Hindu family assessed as undivided that a partition, whether total or partial, has taken place among the members of such family, the [Assessing Officer ] [ Substituted by Act 4 of 1988, Section 2, for " Income-tax Officer" (w.e.f. 1.4.1988).]shall make an inquiry thereinto after giving notice of the inquiry to all the members of the family.