Companies (Court) Rules, 1959
151. Contents of proof
An affidavit proving a debt shall contain or refer to a statement of account showing the particulars of the debt, and shall specify the vouchers, if any, by which the same can be substantiated. The affidavit shall state whether the creditor is a secured creditor, or a preferential creditor, and if so, shall set out the particulars of the security or of the preferential claim. The affidavit shall be in Form No. 66.