No... As per Rule 80(3) read with proviso to sub section (5) of section 35 of CGST Act , whose books of Accounts is subject to Audited by comptroller & Auditor General of India IS NOT REQUIRED FURNISH FORM 9C
As per the Proviso to Sub Section (5) of Section 35 of the CGST Act 2017, if the Books of Accounts are subject to audit by C&AG , then GST AUDIT NOT REQUIRED.
Extract of relevant Provision from the CGST Act 2017 :
"Provided that nothing contained in this sub-section shall apply to any department of the Central Government or a State Government or a local authority, whose books of account are subject to audit by the Comptroller and Auditor-General of India or an auditor appointed for auditing the accounts of local authorities under any law for the time being in force."