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Heavy water (deuterium oxide)
Both schemes can usually be claimed together on the same shipment.
Remission of Duties and Taxes on Exported Products
All Industry Rate (AIR) per CBIC schedule
The RoDTEP rate for HSN 28451000 (Heavy water (deuterium oxide)) is 0.70% of FOB value. Source: Notification No. 32 dated 30.09.2024, effective from 2024-10-10.
The All Industry Rate (AIR) of Duty Drawback for HSN 28451000 is 1.00% of FOB value. Source: Notification No. 77/2023-Customs (N.T.) dated 20.10.2023, effective from 2023-10-30.
The combined refund for HSN 28451000 is approximately 1.70% of the FOB invoice value (RoDTEP 0.70% + Drawback 1.00%). Caps and conditions may apply — use the Ximverse refund calculator with your actual FOB value to get the figure in ₹.
Yes. RoDTEP and Duty Drawback are independent schemes — both can be claimed on the same shipment as long as each scheme's eligibility rules are met. The Shipping Bill carries claim flags for each.
RoDTEP rates come from the DGFT Appendix 4R schedule. Duty Drawback rates come from the CBIC All Industry Rate (AIR) notification (currently No. 77/2023-Customs (N.T.)). Ximverse updates them whenever the government publishes a new notification.
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