Interest Notice received in Section 75(12) r/w Section 79 of TNGST/CGST Act, 2017

I have received Interest notice in Section 75(12) r/w Section 79 of TNGST/CGST Act, 2017 for FY 2017-18 - GSTR -3B Late Filing and Tax paid in Cash - Interest not paid at that time and i want know However, the government has, at times, extended this deadline. As per the latest updates, the time limit for initiating recovery for FY 2017–18 was extended up to 31st December 2023 in some cases but i have receievd notice in july 25  for FY 17-18  and Applicability if Notice is Issued After Deadline whetehr i want to pay the interest or reply that notice issued after deadline