Tariff amendment adds an additional tariff classification code to existing central excise notification under Modvat.
The Government, exercising powers under the Central Excise Rules, amends Notification No. 177/86-Central Excises by inserting an additional tariff classification code after an existing heading in the last proviso, thereby formally modifying the notification's tariff schedule under the Modvat framework.

Amendment to exemption notification: Polyphenylene Oxide entry updated, changing the listed product description in the tariff table.
Amendment substitutes the entry in column (3) against S. No. 14 in the Table to Notification No. 133/86-C.E., replacing it with "Polyphenylene Oxide including modified polyphenylene oxide" under the Central Excises and Salt Act exercise of powers.

Excise exemption for billets, rods and sheets of copper produced by a specified defence laboratory from supplied copper under public interest.
Exemption from excise duty is granted for billets, rods and sheets of oxygen-free copper or beryllium copper under Chapter 74 when manufactured by the specified defence laboratory out of copper supplied by the designated supplier; the notification removes the whole of the duty otherwise leviable, conditional on the production and supply arrangement and justified as being in the public interest.

Exemption conditions for inputs used in acrylic fibre manufacture now require adherence to Chapter X procedures when used offsite.
The Government substitutes the entry at S. No. 10, column (4) to provide that an input is exempt only if it is used in the manufacture of acrylic fibre and, if such use occurs outside the factory of production, the procedure set out in Chapter X of the Central Excise Rules, 1944 is followed.

Excise exemption for recycled polyester staple fibre and tow: duty limited where manufactured from textile wastes in India.
Exempts polyester staple fibre and tow, including tops, from excise duty in excess of a prescribed per kilogram rate where such goods are manufactured in India from wastes within Chapters 54 or 55 by the process of recycling, under the authority of sub section (1) of section 5A of the Central Excises and Salt Act, 1944.

Excise exemption for acrylic fibre waste limits duty liability by capping the leviable excise per unit weight.
Exempts wastes of acrylic staple fibre and tow, including tops, falling under the tariff classification for acrylic fibres from central excise duty to the extent the duty exceeds a specified per kilogram cap, using executive authority to limit the leviable excise on those goods to a capped amount per unit weight.

Exemption for Ammonia added to central excise tariff schedule, creating a new exempted item under existing notification.
The government inserts a new entry in the annexed Table of Notification No. 27/89-C.E., adding Ammonia as an exempted tariff item under the miscellaneous exemptions framework by Notification No. 158/89-C.E., issued under the power conferred by sub section (1) of section 5A of the Central Excises and Salt Act in the public interest.

Excise exemption for petroleum gases used in polyisobutylene manufacture, limited to duty on gases actually consumed.
The notification exempts petroleum gases and gaseous hydrocarbons used in polyisobutylene manufacture from excise duty to the extent the scheduled duty exceeds the duty on the quantity actually consumed, where consumption is calculated as gases received by the manufacturing factory less gases returned to the supplier.

Exemption amendment removes exception for manufacturers who cleared unformulated synthetic organic dyes, widening notification scope.
Amendment deletes the bracketed exception from the earlier notification that disqualified manufacturers who had cleared synthetic organic dyes in unformulated or unstandardised forms for home consumption on payment of duty during a specified prior period, thereby removing that temporal and form-based disqualification from the exemption.

Central excise amendment inserts 'or for testing' after 'polishing', broadening the proviso's activity coverage under the notification.
The Central Government, exercising statutory power, inserted the words "or for testing" after "polishing" in clause (ii) of the proviso to Notification No. 144/89 Central Excises, thereby explicitly bringing testing activities within the scope of that proviso.

Excise duty exemption for burnt clay tiles removes levy when tiles meet specified IS standard.
The Central Government exempts burnt clay tiles conforming to Indian Standard specification No. 3367-1975 and falling within Chapter 69 of the Central Excise Tariff from the whole of the duty of excise leviable thereon, exercising its power to grant an exemption on public interest grounds.

Amendment to excise notification omits the first proviso and replaces "Provided further that" with "Provided that".
The Government, invoking its power under the Central Excises and Salt Act, amends Notification No. 257/88-C.E. by omitting the first proviso and substituting the words "Provided further that" in the second proviso with "Provided that." The amendment confines its operative effect to deletion of the initial proviso and the textual replacement in the second proviso.

Statutory amendment: omission of 'and cement' from provisos narrows applicability of specified Central Excise notifications.
The government, exercising powers under sub-section (1) of section 5A of the Central Excises and Salt Act, 1944, directs that in the provisos to the two Central Excise notifications dated 13 November 1986 the words "and cement" shall be omitted as specified in the annexed Table, effecting a targeted textual amendment to those provisos.

Definition of chindies clarified as side trimmings with coated width not exceeding six centimetres, replacing prior Explanation.
Amendment substitutes the Explanation in Notification No. 274/86-C.E., defining chindies as side trimmings of coated width not exceeding six centimetres, thereby narrowing and clarifying the class of goods covered by the notification's exemption.

Central Excise amendment: omission of qualifying phrase from exemption tables alters descriptive scope of listed exemptions.
Amendments remove the phrase "under Chapter 52" from specified column (4) entries in the Tables annexed to two earlier exemption notifications, thereby revising the textual qualification of those tariff or exemption entries and altering the descriptive scope of the affected exemptions within the existing tariff schedule.

Excise tariff amendments revise matchbox exemption rates and wording, shifting unit basis and altering computation from prior formulations.
Amendments substitute rate expressions and unit bases in five Central Excise exemption notifications relating to boxes of matches, replacing per gross formulations with per hundred boxes formulations and altering the corresponding wording in opening paragraphs, provisos, and annexed table entries; the changes are effected by textual substitution and are brought into force on the prescribed commencement date.

Central Excise exemption expanded to include monofilament, tapes and strips, broadening the tariff entry's scope.
The government, exercising its statutory power to amend excise notifications, substituted in the tariff table the word "yarn" with "yarn, monofilament, tapes or strips" in the specified column against the entry, thereby expanding the operative scope of that exemption entry.

Exemption for capital goods used in jewellery export: conditional duty relief subject to approvals, bonds, accounting and movement controls.
Exemption applies to excisable capital goods and inputs brought for use in manufacture of jewellery for export by 100% export oriented undertakings in the Jhandewalan complex, excusing basic and additional excise duty subject to approval by the Board of Approval, direct use for export production, execution of bonds/security, strict bonding and recordkeeping procedures, limits on permissible manufacturing loss, restrictions on domestic clearance, requirement of air freight export through Delhi, and payment of duty on unused goods or production on expiry or breach.

Exemption for excisable goods transferred to export only SEEPZ jewellery units, subject to authorisation, bond and accounting rules.
Exemption of excise duty applied to excisable goods transferred directly from factories or warehouses in India to authorised gem and jewellery manufacturing units in SEEPZ for use solely in manufacture of goods intended exclusively for export, subject to authorisation, direct movement, export only use, prohibition on clearance into the Domestic Tariff Area except limited permitted clearances against a Special Import Licence with duty payment, handing over of precious inputs on cessation, specified wastage allowances, one year stock limits, mandatory airfreight export, and strict in bond procedural, accounting and bond requirements including re warehousing certification and duty demands for unaccounted goods; the notification was later rescinded.

Duty free exemption for specified Chapter 85 goods conditioned on authorised direct factory to shop supply and strict documentary controls.
Exemption from excise duty applies to specified Chapter 85 goods removed from Indian factories for sale, in foreign currency, at arrival-hall duty free shops if the consignee is authorised by the Commissioner of Customs, goods are delivered directly from factory to shop, sold only in foreign currency to arriving passengers, and the detailed procedure in the Appendix (authorisation, bond, Annexure-C removal applications, gate pass, customs examination, stock registers and sale vouchers) is strictly followed; breaches, non-receipt of returns or unexplained shortfalls attract duty demands, forfeiture of security and possible confiscation. The notification was rescinded by Notification No. 18/2013.