Duty exemption for wind-generator parts on import for maintenance, conditional on official certification by a Deputy Secretary.
Parts of wind-operated electricity generators listed in the First Schedule to the Customs Tariff Act, 1975, when imported for maintenance, are exempt from the whole of the customs duty specified in that Schedule and from the whole of the additional duty under section 3 of the Customs Tariff Act, subject to production at clearance of a certificate from an officer not below the rank of Deputy Secretary in the Department of Non-Conventional Energy Sources specifying the parts and quantities and recommending the exemption.

Exemption of additional customs duty on imported large-capacity power generation machinery, relieving such imports from additional tariff.
The Central Government exempts imported machinery and equipment for generation of electrical power, including generating sets meeting the specified capacity threshold, from the whole of the additional duty leviable under the Customs Tariff, on the stated satisfaction of public interest.

Addition of pesticide intermediates to the exemption annexure under central excise notification alters tariff coverage.
The Government, invoking section 5A of the Central Excises and Salt Act, 1944, amends Notification No. 43/88-Central Excises by inserting three new Annexure entries after Sl. No. 41-Sl. Nos. 42-44-naming Cumene; Parachloro-N-Isopropyl Aniline; and Methyl chlorofermate, thereby expanding the list of pesticide intermediates covered by the miscellaneous exemptions schedule.

Customs duty exemption for airport authorities permits reduced customs duty and waiver of additional duty with DGCA certificate.
The Central Government exempts navigational, communication, air traffic control and landing equipment and spares imported by the National Airports Authority or the International Airports Authority from customs duty in excess of a capped ad valorem rate and from the additional duty under section 3 of the Customs Tariff Act, subject to production at clearance of a certificate from the Director General of Civil Aviation that the goods are required for modernisation of airport facilities and recommending the exemption.

Customs duty exemption caps ad valorem liability on specified electrical imports, limiting duty to a prescribed rate.
The Central Government exempts specified electrical and electronic goods in certain Chapter 85 sub headings from customs duty insofar as the duty exceeds the amount calculated at a capped ad valorem rate on importation, thereby limiting customs liability to the amount calculable at that ad valorem rate.

Customs exemption for raw materials for undiffused silicon wafers permits reduced duty subject to technical certification and bonded security.
Exemption reduces customs duty on listed goods imported for manufacture of undiffused silicon wafers to an effective ad valorem rate of thirty five percent and waives additional duty under section three, subject to certification by a senior technical officer that the goods are required for that manufacture and to an importer bond securing payment of duty for any goods not proved to have been used for the declared purpose.

Customs tariff amendment adjusts ad valorem exemption rates and revises eligible machinery and component categories.
The Central Government amends multiple customs exemption notifications by substituting specified ad valorem exemption rates, altering figures and entries in annexed Tables, inserting additional eligible machinery and component items, and modifying scope and administrative condition clauses-thereby changing which machinery and electrical/electronic goods are eligible for concessions and the applicable exemption percentages.

Customs duty exemption for printed source code: imported software on paper exempted from customs and additional duty.
Printed source code imported as printed matter classified under books and printing products is exempted from the whole of the basic customs duty specified in the First Schedule and from the whole of the additional customs duty leviable under the Customs Tariff Act, by executive notification invoking statutory power to grant exemptions in the public interest.

Customs exemption for specified electronic inputs reduces duty where certified for declared manufacturing end use, subject to bond.
Exemption notification grants conditional customs duty relief on specified tariff items imported for manufacture of designated electronic goods by capping duty at a specified ad valorem rate, subject to certification of end use by authorised technical officers (except for imports under supplementary licences) and the importer's execution of a bond payable to the Assistant Collector of Customs to cover the duty difference for quantities not proved to have been used for the declared purpose.

Customs exemption for computer peripherals: imports limited to duty only up to a fixed ad valorem cap, excluding certain items.
Notification exempts specified computer goods falling under the stated First Schedule tariff heading from customs duty in excess of the amount calculated at a prescribed ad valorem rate, superseding an earlier notification; certain peripherals - dot matrix printers, floppy disk drives, line printers, computer keyboards, video display monitors/terminals and monochrome graphic terminals - are explicitly excluded from the exemption.

Customs exemption amendment updates eligible tool-room machinery descriptions and precision specifications for commercial tool rooms.
Central Government, invoking powers under sub-section (1) of section 25 of the Customs Act, amends the annexed Table of an earlier customs exemption notification by substituting four entries detailing machinery eligible for tool-room exemptions: a precision surface grinding machine with specified longitudinal and traverse accuracy; a profile projector with coordinate table and micron-level accuracy; a single-spindle die-sinking/copy milling machine with stated spindle diameter and table load and optional CNC; and a multi-axis NC/CNC spark erosion machine with defined positioning and repeatability accuracy.

Customs duty exemption reduces payable duty to prescribed ad valorem rates for specified machinery tariff headings on imports.
Exemption restricts customs duty on specified imports to the ad valorem rates stated in the notification by relieving goods under certain First Schedule sub-headings from duty in excess of the amount calculated at those rates; it covers sub-headings 8427.10 and 8427.20 at 55% ad valorem and sub-heading 8442.50 at 35% ad valorem for imports into India.

Customs exemption for imported machinery used in flyash and phosphogypsum building materials, subject to certification and compliance.
The Central Government exempts specified goods in Chapters 82 or 84 imported for use in flyash based and phosphogypsum based building materials from customs duty in excess of an amount calculated at 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 an officer not below Deputy Secretary in the Ministry of Urban Development and an importer undertaking to use the goods as specified, with liability to repay the duty differential on breach.

Excise exemption for specified cigarettes limits duty to prescribed rates and apportions liability between basic and additional duties.
Notification exempts cigarettes under tariff sub heading 2403.11 from excise and additional duty to the extent that duty does not exceed prescribed per thousand rates, distinguishes non filter and filter cigarettes by length bands with specified rates, and requires apportionment of the duty levied within those limits between the basic schedule levy and the additional duty in a 65:35 ratio.

Customs exemption for flanged radial bearings allows reduced duty for wheelchair manufacture, subject to certification and importer undertaking.
Central Government exempts specified flanged radial bearings imported for manufacture of wheel chairs from customs duty in excess of an amount calculated at the rate of 35 per cent ad valorem and from the whole of the additional duty under Section 3, subject to certification by an Additional Industrial Advisor and an importer undertaking that the goods will be used for the specified purpose; non-compliance attracts liability to pay the duty difference. Applicable specifications: Type ASF 107-3; outer diameter 34.93/35.05 mm; bore diameter 12.7/12.8 mm; weight 53 grams.

Customs duty exemption on specified textile dyeing and high-speed sewing machines subject to certificate-based conditions.
Exemption is granted for specified dyeing machines and high speed industrial sewing machines and their component parts from customs duty in excess of a stated ad valorem rate and from the entire additional duty under the Customs Tariff Act, subject to a certificate at clearance describing and quantifying component parts. Certificates must be issued by designated officers of the Directorate General of Technical Development or authorised State industrial officers for firms in the small scale sector.

Customs exemption for machine tool parts: conditional import relief requires certification, undertaking, recordkeeping, and repayment safeguards.
The Central Government exempts parts imported for initial setting up, assembly or manufacture of articles under headings 84.56-84.66 from customs duty in excess of a specified base amount and from additional duty, subject to certification by designated authorities, an importer's undertaking to use the parts for specified purposes, maintenance and production of certified accounts within a limited period, and payment of differential duty if conditions are breached; CNC systems and components are excluded.

Customs exemption for textile machine parts-conditional relief from excess and additional duty subject to certification and undertakings.
Exempts imported parts required for initial setting up, assembly or manufacture of specified textile machines from customs duty above a prescribed ad valorem floor and from additional duty, conditioned on certification by designated industrial or textile authorities, an undertaking by the importer to use the parts for the stated purposes, maintenance and production of certified consumption accounts within a prescribed period, payment of differential duty on non compliance, and an express exclusion for CNC systems and their components.

Customs duty rates for ball and roller bearings amended, specifying ad valorem and specific duties by size and weight.
Substitution of the prior customs Table establishes differentiated import duties for ball and roller bearings and their parts: specified small-diameter ball and taper/roller bearings are subject to per-bearing specific duties by bore diameter, while other bearings attract combined ad valorem-plus-specific duties based on net weight bands or uniform ad valorem rates. Inner and outer rings and cups/cones generally bear the duty applicable to the parent bearing; other parts are charged a uniform ad valorem rate.

Customs tariff amendment prescribes specific duty rates for selected machinery and electrical/electronic goods under an amended schedule.
An amendment substitutes a new tariff Table for machinery and electrical/electronic goods under Chapters 84 and 85, pairing specified tariff headings and product descriptions with prescribed ad valorem duty rates; the Central Government exercised its Customs Act powers in the public interest to replace the prior Table and fix the operative classifications and duties for the listed goods.