Need Citation For Pronote Case Interest & Set Aside Compromise Decree

Person X borrowed money from me to construct 1st floor of his house, gave pronote, no payment. going to file pronote case, the prayer is: "To direct the defendants to pay a sum of Rs.x,xx,000 as on this date with further interest at the rate of 12% on principal amount from plaint date to Decree date and subsequent Interest at 6% per annum from Decree date till the realisation of amount" 1) The above suit was filed in Sub court, so please give 2-3 citation in district court, for simple pronote case, in which interest 12% awarded from date of filing to date of decree. 2) which Order, Rule, Section to set aside Compromise decree that had been obtained by fraud.