S. 64 : Clubbing of income-Minor child-Deduction of tax source-Interest-Accrual-Tax to be deducted by bank as and when interest accrued even before child attained majority-Method of accounting-The provisions of section 64(1A) are not ultra vires the Constitution of India. [S. 64(IA), 145, 194A, 197(1), 264]