This may help others:
Form 3, Cleary Instructed how to reply.
No Such Form, But content and evidences are as given here in the Reply
If you believe that the debt has been repaid before the receipt of this letter, please demonstrate such repayment by sending to us, within ten days of receipt of this letter, the following
: a. An attested copy of the record of electronic transfer of the unpaid amount from the bank account of the corporate debtor; or b. An attested copy of any record that [ name of the operational creditor ] has received the payment.
Section 8 (2) of Insolvency and Bankruptcy Code, 2016 : The corporate debtor shall, within a period of ten days of the receipt of the demand notice or copy of the invoice mentioned in sub-section (1) bring to the notice of the operational creditor
(a) existence of a dispute, [if any, or] record of the pendency of the suit or arbitration proceedings filed before the receipt of such notice or invoice in relation to such dispute;
(b) the payment of unpaid operational debt- (i) by sending an attested copy of the record of electronic transfer of the unpaid amount from the bank account of the corporate debtor; or (ii) by sending an attested copy of record that the operational creditor has encashed a cheque issued by the corporate debtor.