(8)It shall not be necessary for an assessee to furnish a return of income under section 263(1), if—(a)the total income during the tax year consisted only of income referred to in sub-section (1) (Table: Sl. Nos. 1 to 7) and sub-section (2) (Table: Sl. Nos. 1 and 2); and(b)the tax deductible at source under the provisions of Chapter XIX-B has been deducted from such income at a rate not less than the rate specified in sub-sections (1) and (2).