Classification
Where HSN 3808 91 21 Sits
Use the eight-digit code on the bill of entry, the shipping bill and, where your turnover requires it, on the GST invoice. The first four digits are the heading; the last four narrow it to this line.
- Chapter
- 38 · Chemical products n.e.c.
- Heading
- 3808 · Insecticides, rodenticides, fungicides, herbicides, anti products and plant-growth regulators, disinfectants products, put up in forms or packings for retail sale preparations or articles (for example, sulphur-treated and candles, and fly-papers)
- Group
- 10%
- Tariff item
- 3808 91 21 · Diaginal
- Unit
- kg.
GST
GST Rate on HSN 3808 91 21
GST on goods is fixed by the entries of Notification No. 9/2025-Central Tax (Rate), in force from 22 September 2025 and amended up to 30 April 2026. The entries below are the ones that reach this code. Match the goods to the description in the entry before you invoice.
| GST rate | Entry | Codes named | Goods covered by the entry |
|---|---|---|---|
| 5% | Schedule I, S. No. 260 | 3808 | The following Bio-pesticides, namely - 1. Bacillus thuringiensis var. israelensis 2. Bacillus thuringiensis var. kurstaki 3. Bacillus thuringiensis var. galleriae 4. Bacillus sphaericus 5. Trichoderma viride 6. Trichoderma harzianum 7. Pseudomonas fluoresens 8. Beauveriabassiana 9. NPV of Helicoverpaarmigera 10. NPV of Spodopteralitura 11. Neem based pesticides 12. Cymbopogan |
| 18% | Schedule II, S. No. 95 | 3808 | Insecticides, rodenticides, fungicides, herbicides, anti-sprouting products and plant-growth regulators, disinfectants and similar products [other than bio-pesticides mentioned against S. No. 260 of Schedule –I] |
| 5% | Schedule I, S. No. 221 | 28 or 38 | Micronutrients, which are covered under serial number 1(g) of Schedule 1, Part (A) of the Fertilizer Control Order, 1985 and are manufactured by the manufacturers which are registered under the Fertilizer Control Order, 1985 (chapter-wide entry) |
| 18% | Schedule II, S. No. 639 | Any Chapter | Goods which are not specified in Schedule I, III, IV, V, VI or VII (residual entry) |
Goods that fall under no specific entry take the residual entry, unless they are exempt under the exemption notification issued with the rate notification.
Import
Customs Duty on HSN 3808 91 21
An import pays basic customs duty at the tariff rate, social welfare surcharge at 10% of that duty (unless exempted for the goods), and IGST at the GST rate on the value plus both duties.
- Basic customs duty at
- Social welfare surcharge, 10% of the duty
- IGST at on value plus both
- Total duty and tax
- As a share of the value
Standard rates only: no exemption notification, anti-dumping or safeguard duty, or trade-agreement rate is applied, and the surcharge is taken at 10% although some goods are exempted from it. A registered importer takes credit of the IGST.
Export
Export Policy and RoDTEP for HSN 3808 91 21
Schedule 2 of ITC(HS) 2022 marks this tariff item Free. Appendix 4R gives RoDTEP at 0.7% of FOB value for exports from the domestic tariff area and 0.4% for Advance Authorisation, SEZ and EOU exports. The scheme continues up to 31 December 2026.
- Current RoDTEP schedule takes effectAppendix 4R and 4RE notified by Notification 32/2024-25.
- All rates and caps limited to 50%Notification 60/2025-26, with immediate effect.
- Full rates restoredNotification 66/2025-26 and its corrigendum: the rates of 22 February 2026 apply again from 23 March.
- Scheme continued to 30 September 2026Notification 74/2025-26, rates unchanged.
- Scheme continued to 31 December 2026Notification 41/2026-27: rates and caps as on 30 September 2026 continue.
Same heading
Other Codes Under HSN 3808
| Tariff item | Description | Basic customs duty |
|---|---|---|
| 3808 52 00 | DDT (ISO) (clofenotane (INN)), in packings of a net weight content not exceeding 300 g | 10% |
| 3808 59 00 | Other | 10% |
| 3808 61 00 | In packings of a net weight content not exceeding 300 g | 10% |
| 3808 62 00 | In packings of a net weight content exceeding 300 g but not exceeding 7.5 kg | 10% |
| 3808 69 00 | Other | 10% |
| 3808 91 11 | Aluminium phosphateInsecticides; | See tariff |
| 3808 91 12 | Calcium cyanide10% | 10% |
| 3808 91 13 | D.D.V.P. (Dimethyle-dichloro-vinyl- phosphate)10% | 10% |
| 3808 91 21 | Diaginal10% | 10% |
| 3808 91 22 | Methyl bromide10% | 10% |
| 3808 91 23 | Dimethoate, technical grade10% | 10% |
| 3808 91 24 | Melathion10% | 10% |
| 3808 91 31 | Endosulphan, technical grade10% | 10% |
| 3808 91 32 | Quinal phos10% | 10% |
| 3808 91 33 | Isoproturon10% | 10% |
| 3808 91 34 | Fenthion10% | 10% |
| 3808 91 35 | Cipermethrin, technical grade10% | 10% |
| 3808 91 36 | Allethrin10% | 10% |
| 3808 91 37 | Synthetic pyrethrum10% | 10% |
| 3808 91 41 | Goods specified in Supplementary Note 1 to this ChapterGoods specified in Supplementary Note 1 and 2 to | 10% |
| 3808 91 42 | Goods specified in Supplementary Note 2 to this ChapterGoods specified in Supplementary Note 1 and 2 to | 10% |
| 3808 91 51 | Goods specified in Supplementary Note 3 to this ChapterGoods specified in Supplementary Note 3 and 4 to this Chapter | 10% |
| 3808 91 52 | Goods specified in Supplementary Note 4 to this ChapterGoods specified in Supplementary Note 3 and 4 to this Chapter | 10% |
| 3808 91 91 | Repellants for insects such as flies, mosquitoOther | 10% |
| 3808 91 92 | Paper impregnated or coated with insecticides such as D.D.T. coated paperOther | 10% |
| 3808 91 93 | Containing bromomethane (methyl bromide) or bromochloromethane | 10% |
| 3808 91 99 | OtherOther | 10% |
| 3808 92 10 | ManebFungicides | 10% |
| 3808 92 20 | Sodium penta chlorophenate (santrobrite)Fungicides | 10% |
| 3808 92 30 | Thiram (tetra methyl thiuram disulphide)Fungicides | 10% |
| 3808 92 40 | ZinebFungicides | 10% |
| 3808 92 50 | Copper oxychlorideFungicides | 10% |
| 3808 92 60 | Goods specified in Supplementary Note 5 to this ChapterFungicides | 10% |
| 3808 92 70 | Goods specified in Supplementary Note 6 to this ChapterFungicides | 10% |
| 3808 92 80 | Goods specified in Supplementary Note 11 to this Chapter | 10% |
| 3808 92 91 | Containing bromomethane (methyl bromide) or bromochloromethane | 10% |
| 3808 92 99 | Other | 10% |
| 3808 93 10 | Chloromethyl phenozy acetic acid (M.C.P.A)Herbicides, anti-sprouting products and plant- growth regulators | 10% |
| 3808 93 20 | 2:4 Dichloro phenozy acetic acid its and estersHerbicides, anti-sprouting products and plant- growth regulators | 10% |
| 3808 93 30 | Gibberellic acidHerbicides, anti-sprouting products and plant- growth regulators | 5% |
| 3808 93 41 | Goods specified in Supplementary Note 12 to this Chapter | 10% |
| 3808 93 49 | Other | 10% |
| 3808 93 50 | Weedicides and weed killing agentsHerbicides, anti-sprouting products and plant- growth regulators | 10% |
| 3808 93 61 | Goods specified in Supplementary Note 7 to this ChapterGoods specified in Supplementary Note 7 and 8 to this Chapter | 10% |
| 3808 93 62 | Goods specified in Supplementary Note 8 to this ChapterGoods specified in Supplementary Note 7 and 8 to this Chapter | 10% |
| 3808 93 71 | Goods specified in Supplementary Note 9 to this ChapterGoods specified in Supplementary Note 9 and 10 to this Chapter | 10% |
| 3808 93 72 | Goods specified in Supplementary Note 10 to this ChapterGoods specified in Supplementary Note 9 and 10 to this Chapter | 10% |
| 3808 93 91 | Containing bromomethane (methyl bromide) or bromochloromethane | 10% |
| 3808 93 99 | Other | 10% |
| 3808 94 10 | Containing bromomethane (methyl bromide) or bromochloromethane | 10% |
| 3808 94 20 | Goods specified in Supplementary Note 14 to this Chapter | 10% |
| 3808 94 90 | Other | 10% |
| 3808 99 11 | Goods specified in Supplementary Note 15 to this Chapter | 10% |
| 3808 99 12 | Goods specified in Supplementary Note 16 to this Chapter | 10% |
| 3808 99 91 | Containing bromomethane (methyl bromide) or bromochloromethane | 10% |
| 3808 99 92 | Pesticides, not elsewhere specified or included | 10% |
| 3808 99 99 | Other | 10% |
No rows match — clear the filter to see all.
Not shown on this page
- The item-wise import policy (Free, Restricted or Prohibited) of ITC(HS) Schedule 1.
- Exemption notifications, anti-dumping and safeguard duties, and preferential rates under trade agreements. The duty shown is the tariff rate.
- The GST exemption notification. Goods exempt under it pay no GST even if a rate entry names the code.
Official documents behind this page
- Notification No. 9/2025-Central Tax (Rate), 17 September 2025GST rate Schedules I to VI, in force from 22 September 2025, as amended by Notification No. 19/2025-Central Tax (Rate) of 31 December 2025 (Schedule VII omitted from 1 February 2026) and No. 01/2026 of 30 April 2026.
- Customs Tariff, First ScheduleCBIC Customs Tariff as on 30 June 2024, with the First Schedule amendments of the Finance (No. 2) Act, 2024, the Finance Act, 2025 and the Finance Act, 2026 applied.
- ITC(HS) 2022, Schedule 2, Export PolicyDGFT: the export policy and policy condition of each tariff item.
- Appendix 4R and Appendix 4RE, RoDTEP ScheduleDGFT, with effect from 10 October 2024 (Notification No. 32/2024-25); the 2026 changes are in Notifications 60, 66 and 74 of 2025-26 and 41 of 2026-27.
Disclaimer: This guide is general information based on the law and notifications in force when it was last updated. It is not professional advice for your case — rates, thresholds and due dates change, so check the current position with the official source before you act on it.