How to Close LLP, Form 24 Attachment format

I want to close a defunct LLP. Please help in making Attachments.

a. *Copy of authority to make the application duly signed by all partners - Who will be authorized person? Any Designated partner or who?

b. *Copy of acknowledgement of latest Income-tax Return - LLP incorporated 2 years before but never open Bank account and No PAN card. What attach here?

c. *Statement of Accounts disclosing Nil assets and Nil
liabilities [sub-clause (a) of clause (II) of sub-rule (1A) to rule 37] - No problem here.

d. *Affidavit signed by designated partners [sub-clause(b) of
clause (II) of sub-rule (1A) to rule 37] - Joint affidavit for both designated partner (all partner)?

1. Do we need to notarize affidavit and indemnity bond separate or both are same?
2. Indemnity bond on stamp paper or letterhead or normal page?
3. Amount of stamp paper for Affidavit?

e. Optional attachment(s), if any

Thank you to all the respected professionals