Explanation:

Section 34 – 
34. Interest.— (1) Where and in so far as a decree is for the payment of money, the Court may, in the decree, order interest at such rate as the Court deems reasonable to be paid on the principal sum adjudged, from the date of the suit to the date of the decree, in addition to any interest adjudged on such principal sum for any period prior to the institution of the suit, 2 [with further interest at such rate not exceeding six per cent. per annum as the Court deems reasonable on such principal sum], from the date of the decree to the date of payment, or to such earlier date as the Court thinks fit : 3 [Provided that where the liability in relation to the sum so adjudged had arisen out of a commercial transaction, the rate of such further interest may exceed six per cent. per annum, but shall not exceed the contractual rate of interest or where there is no contractual rate, the rate at which moneys are lent or advanced by nationalised banks in relation to commercial transactions.