Wrong as per report dated 28-05-22 its NSG-2
SRC : https://ircep.gov.in/IRPSM/JasperReportController?rNumber=33&rName=PassAmen&stnCodeRep=CBE&pamsRepSel=1
Local Name: Kovai Regional Language Name: கோயம்புத்தூர் சந்திப்பு Hindi Name: कोयम्बत्तूर जंक्शन Elevation: 412 Type: Junction Category: NSG-1 State Bank Road, Near Collector's Office, Coimbatore - 641001, Tele; 0422 - 2301301 Tamil Nadu
Local Name: Kovai Regional Language Name: கோயம்புத்தூர் சந்திப்பு Hindi Name: कोयम्बत्तूर जंक्शन Elevation: 412 Type: Junction Category: NSG-2 State Bank Road, Near Collector's Office, Coimbatore - 641001, Tele; 0422 - 2301301 Tamil Nadu