Answer:
The Biomax C-24 Four Door Access Controller is billed under HSN code 85437099 for B2B industrial procurement and GST compliance in India.
The official Harmonized System of Nomenclature (HSN) code for the Biomax C-24 Four Door Access Controller (SKU: KTI010050014DCB) is 85437099, classifying it under electrical machines and apparatus having individual functions for electronic access control and automation systems.