Customs exemption for specified veterinary goods: duty relief and additional duty waiver conditioned on departmental certification for livestock breeding.
Government exempts specified Chapter 30 goods from customs duty in excess of the amount computed at the rate of 35 per cent ad valorem and from the whole of the additional duty under section 3 of the Customs Tariff Act, subject to certification by a Deputy Secretary-level officer in the Department of Animal Husbandry and Dairying that the goods are required for a livestock breeding programme and recommend the exemption.

Customs exemption amendments expand eligible chemical inputs for pharmaceutical manufacture, updating the notification's Table accordingly.
Amendment to a customs exemption notification updates the Table by substituting an ADCA entry, omitting a listed serial entry, and adding new serial entries that specify pharmaceutical products alongside the chemical intermediates, reagents and solvents eligible for exemption to permit manufacture of those listed drugs.

Customs exemption for specified chemical imports used in manufacture, conditioned on undertakings, certified accounts, and repayment on default.
Exemption for specified Chapter 28 or 29 imports used in the manufacture of listed downstream goods is conditional on an importer's undertaking that the imports will be used for the stated manufacture, that certified accounts of receipt and consumption at the place of manufacture will be maintained and produced within a prescribed period, and that the importer will pay on demand the duty difference if these conditions are not met; procedural oversight rests with the Assistant Collector of Customs.

Exemption from additional customs duty: specified Chapter 28 and 29 imports exempted under the customs tariff law.
The Central Government, exercising powers under the Customs Act, exempts the whole of the additional duty of customs leviable under the Customs Tariff Act on specified goods falling within Chapter 28 or Chapter 29 (Diethyl Carbamoyl chloride; Guanidine Hydrochloride; Cyanopyrazine) when imported into India, and supersedes earlier exemption notifications in the public interest.

Customs exemption expanded: a list of pharmaceutical and biochemical substances added to the tariff exemption notification.
The Central Government, exercising powers under the Customs Act, has amended the Table annexed to the existing customs exemption notification by adding a list of named pharmaceutical and biochemical substances, thereby extending exemption treatment under that notification to each listed item.

Customs exemption amendments update notifications to add chemical nomenclature, revise ad valorem rate, and list pharmaceuticals.
The instrument amends four customs exemption notifications by inserting an extended chemical denomination into Notification No. 11/86-Cus., substituting the ad valorem rate and inserting an "'L' Base" entry in Notification No. 271/86-Cus., adding Ribavirin and its capsules/syrup to the Table in Notification No. 213/88-Cus., and substituting the cited notification reference in the first proviso to Notification No. 296/88-Cus.

Amendment to customs exemption rates substitutes revised ad valorem tariff percentages in specified notifications.
The Central Government, under sub-section (1) of section 25 of the Customs Act, 1962, directs amendments to Notifications Nos. 386/86-Cus., 140/88-Cus. and 97/89-Cus. by substituting the figures and words denoting the ad valorem rates in each notification with the newly specified ad valorem figures, thereby modifying the tariff exemption rates set out in those notifications.

Customs tariff amendments update exempted chemical and pesticide entries and revise ad valorem duty rates under statutory power.
Amendments modify six earlier customs exemption and tariff notifications under section 25(1) of the Customs Act by adding specified chemical and pesticide items to their Schedules and Tables and by substituting revised ad valorem duty entries in specified notifications, with precise insertion points and substitutions set out against the identified notifications.

Duty exemption for specified leather preservative imports waives excess basic duty above set rate and the additional duty.
The Government exempts specified leather preservative chemicals (TCMTB, PCMC and formulations containing them) imported for use in the leather industry from basic customs duty to the extent the duty exceeds an ad valorem ceiling and from the whole of the additional duty under the customs tariff law. The concession is conditional on the importer producing a certificate from a designated officer in the Ministry of Commerce stating the description and quantity of each chemical and recommending the exemption.

Customs duty exemption for specified refractory manufacturing imports limits payable duty on certain alumina and zirconia materials.
Exempts specified inputs under Chapter 28 or 38 when imported for manufacture of refractory products from customs duty in excess of the amount calculated at the rate of 55 per cent ad valorem. The Schedule lists zirconia bubbles, tubular alumina of purity 99% and above, and calcined alumina of purity 99% and above.

Duty exemption for zirconium and yttrium oxides imported for manufacture of cubic zirconia; reduces customs and additional duty obligations.
Exempts zirconium oxide and yttrium oxide imported for manufacture of raw cubic zirconia by limiting basic customs duty to that calculated at the rate of 35 per cent ad valorem (waiving any excess) and by wholly exempting the additional duty under section 3 of the Customs Tariff Act; exemption exercised under section 25(1) of the Customs Act and confined to items in Chapter 28 of the First Schedule.

Customs exemption for silicon carbide imports used in crucible manufacture limits duty above a prescribed ad valorem threshold.
The Central Government, invoking section 25(1) of the Customs Act, exempts silicon carbide falling under Chapter 28 when imported for manufacture of crucibles from so much of the customs duty in the First Schedule to the Customs Tariff Act, 1975 as is in excess of the amount computed at an ad valorem rate of thirty five percent.

Customs exemption expanded: palm nuts and kernels added and tariff entries revised to uniform ad valorem relief.
The Central Government amends Notification No. 130/86-Cus. to insert S. No. 5A for tariff heading 1207.10 (palm nuts and kernels) with a 90% ad valorem concession, and substitutes the column (4) entries for S. No. 11A and S. No. 22 to read "90% ad valorem", effecting uniform ad valorem relief in the Table.

Customs tariff amendment: substitution of specified ad valorem rates in exemption notifications, lowering listed duty entries.
The Central Government amends Notification No. 29/89-Cus. by substituting the entries in the Table at Sl. No. 57, columns (4) and (5), with new ad valorem rates, and amends Notification No. 31/89-Cus. by substituting every occurrence of the ad valorem rate in column (4) of its Table with a different ad valorem rate, effecting direct textual changes in the tariff/exemption Tables.

Tariff amendment: ad valorem duty specified for raw and calcined petroleum coke under substituted customs notification entries.
Amendment substitutes a tariff table entry to create separate entries for raw petroleum coke and calcined petroleum coke, each assigned an ad valorem duty rate, thereby altering the tariff classification and ad valorem treatment of those petroleum coke products under the earlier notification.

Customs amendment adjusts ad valorem exemption rates for ash and residues of copper and other slags under tariff headings.
Amendment revises Notification No. 34/90-Cus by substituting the table entry at S. No. 12 to create two tariff-line entries: one classifying ash and residues of copper (including dross) with a full ad valorem rate, and a second classifying other slag and ash, including seaweed ash (kelp), with a reduced ad valorem rate, thereby separating tariff treatment for these goods under the notification.

Cap on basic customs duty for specified refractory raw materials restricts payable duty to a prescribed ad valorem rate.
The Central Government, exercising statutory power in the public interest, exempts certain refractory raw materials (specified chromite ore, fused magnesia, magnesia-chrome, magnesia-lime and magnesia-alumina sinters) falling under Chapters 25, 26, 28 or 38 of the Customs Tariff Schedule from so much of the basic customs duty as exceeds 55% ad valorem, thereby establishing a ceiling on payable basic customs duty for those goods.

Customs duty exemption on lactose for homoeopathic manufacture limits basic duty rate and waives additional duty.
Notification exempts imported lactose conforming to Homoeopathic Pharmacopoeia of India under sub heading 1702.10 for manufacture of homoeopathic medicines by limiting basic customs duty to an amount equivalent to a 15 percent ad valorem rate and by waiving the additional duty under section 3, subject to an importer's undertaking to use the goods for the specified purpose, maintain prescribed accounts, produce certified extracts within three months (or extended period), and pay on demand the duty difference if conditions are not met.

Customs duty cap for specified tariff subheadings: excess basic customs duty above the capped ad valorem rate exempted on import.
Exempts imports of goods under Sub Heading Nos. 1519.13 and 1519.19 from that portion of basic customs duty specified in the First Schedule which exceeds a cap of 100% ad valorem, thereby capping the effective basic customs duty payable on those tariff subheadings at that ad valorem rate.

Customs exemption for jaborandi leaves allows duty free import for pilocarpine manufacture subject to compliance and recordkeeping requirements.
Exemption is granted for imports of jaborandi leaves under sub heading 1211.90 for manufacture of bulk drug pilocarpine, relieving them from the whole of customs duty specified in the First Schedule, subject to an importer's undertaking to use the goods for that manufacture, maintain accounts of receipt and consumption as specified by the Assistant Collector of Customs, produce a certified extract evidencing receipt within three months or extended period, and to pay on demand the duty difference if those conditions are not met.