first auditor and ADT-1

Shankar Jadhav (AUDIT MANAGER) (26 Points)

13 July 2018  
Pvt Ltd Co is formed in the FY 2016-17,in the same FY within 30 days of incorporation Co appointed first auditor and Auditor did not filed ADT-1. For the FY 2017-18 same Auditor is continuing. Whether he needs to file ADT-1? If yes, what is the due date? If no, kindly mention the provision of law.
Thanks in advance.