1.7.12 The Insolvency and Bankruptcy (Application to Adjudicating Authority for Bankruptcy Process for Personal Guarantors to Corporate Debtors) Rules, 2019
12. Claim with proof.―
(2) Form F shall be submitted by the creditor through electronic means or by registered post or speed post or courier.
(3) A creditor who fails to submit claim with proof as per sub-rule (1) within the time stipulated in the public notice, may submit such proof to the bankruptcy trustee till the final date referred to in subsection (2) of section 176.
(4) The creditor shall bear the costs relating to the proof of claim.