Clubbing of income

A PERSON GIFTED HIS WIFE RS. 5,00,000 ; 4 YEARS AGO. SHE ( WIFE) HAS INVESTED THE SAID AMOUNT IN BANK FIXED DEPOSIT AND IS EARNING AN INTEREST ON BANK FDR. HUSBAND IS AN INCOME TAX ASSESSEE AND PAYING INCOME TAX AT A HIGHER SLAB; BUT WIFE IS NOT AN INCOME TAX ASSESSEE . WHETHER HUSBAND HAS TO DECLARE INTEREST INCOME OF HIS WIFE IN HIS FILE U / S 64 OF THE I.T ACT FOR THE FIRST YEAR ONLY OR FOR ALL YEARS TILL THE MATURITY OF THE BANK FIXED DEPOSIT.