Answer:
The Ahuja SSB-120DP amplifier is supplied under HSN / Custom Code 85423300 (KT SKU: KTI14002001SSA1) for commercial billing and tax compliance.
For industrial procurement, enterprise tax filing, and commercial billing documentation, the Ahuja SSB-120DP (Catalog SKU: KTI14002001SSA1) is classified under Harmonized System of Nomenclature (HSN) code 85423300.