Answer:
The ZKTeco 6550A X-ray baggage scanner is classified under Indian Customs and GST Tariff HSN code 90221420 for radiation inspection apparatus.
The ZKTeco ZKX6550A dual-energy X-ray inspection unit (KT Ref: KTI04023T6550A) is categorized under HSN 90221420, covering X-ray generators and radiation-based inspection equipment for security screening and commercial verification.