Excise exemption for cassette shells removes central excise duty on audio cassette shells under the tariff schedule.
The notification, invoking sub section (1) of section 5A of the Central Excises and Salt Act, 1944, exempts cassette shells for audio cassettes listed in the Central Excise Tariff Schedule from the whole of the duty of excise specified in that Schedule, stating the action is taken in the public interest.

Tariff amendment adds an intermediate textile classification to the excise exemption schedule, altering Annexure entries.
The Central Government directs that, in the Annexure to Notification No. 175/86-C.E., the figures at Serial No. 2 are to be substituted so the sequence of tariff figures includes an additional intermediate classification code, replacing the prior two-entry sequence with a three-entry sequence.

Tariff amendment: insertion of Methyl Acrylate entry expands exemption coverage for acrylic fibre under Central Excise notification
The Central Government amended Notification No. 225/86 to insert a new table entry formally designating Methyl Acrylate as a listed substance associated with acrylic fibre, thereby adding a specific tariff classification entry for central excise administration.

Extension of exemption period: notification for copper wire rods extended by government exercise of customs regulatory power.
Amendment substitutes the operative expiry date in paragraph 2 of Notification No. 287/87-Cus. concerning copper wire rods (Ch. 74), extending the period of the exemption by replacing the previously specified date with a later date; the amendment is effected under the executive powers conferred by the Customs Act and does not modify other terms of the original notification.

Extension of exemption period for goods used in manufacture of motor vehicle components under Customs Act authority.
The Central Government, exercising powers under section 25(1) of the Customs Act, 1962, amends Notification No. 351/85-Cus by substituting in paragraph 2 the earlier specified expiry date with a later date, thereby extending the exemption for goods for the manufacture of components of motor vehicles.

Duty exemption for personal motor vehicles imported by non-diplomatic mission officers on first arrival permitted under amended customs notification.
Amendment revises Notification No. 3/57-Customs by renumbering table entries and inserting new items that permit one motor vehicle duty-free import by specified non-diplomatic officers of Diplomatic Missions, Consulates, and Deputy High Commissions for their personal use on first arrival to take up appointments in India, and by substituting specific mission ranks in relevant entries.

Rank equivalence between Directorate General of Anti Evasion officers and Central Excise officers clarifies corresponding positions and authority.
Amendment substitutes the existing table in Notification No. 215/86-C.E. to prescribe rank equivalence between officers of the Directorate General of Anti Evasion (Central Excise) and corresponding ranks in the Central Excise service, listing paired designations from Director General/Principal Collector down to Intelligence Officer/Inspector.

Customs tariff amendment revises specified tariff headings, substituting updated entries to modify exemption notification scope.
The government, invoking section 25(1) of the Customs Act, 1962, substitutes the column (2) tariff entries in the table annexed to the original exemption notification: replacing the entry for Sl. No. 11 with updated tariff heading references and replacing the entry for Sl. No. 12 with different tariff heading references, thereby altering the exemption's applicable tariff citations.

Amendment to customs exemption notification inserts an additional referenced notification into the Explanation under section 25.
The Central Government, invoking its powers under section 25(1) of the Customs Act, 1962, amends Notification No. 155/86-Customs by inserting in clause (2) of the Explanation the entry "No. 124/90-Customs, dated the 20th March, 1990" immediately after the entry "No. 60/87-Customs, dated the 1st March, 1987", thereby expanding the set of notifications incorporated by that Explanation.

Customs exemption amendment inserts additional machinery items, expanding exempted equipment list for stone-cutting presses use.
The Central Government amends Notification No. 159/86-Cus by inserting three entries into its Table of exempted machineries: bottom press pots; top pots 8 x 16; and pots for bottom and top to work on fancy cut stones, thereby expanding the list of specified stone-cutting press components eligible under the notification's exemption.

Exemption notification amendment: substitution of beneficiary class, increase in monetary threshold, and deletion of a condition.
The notification substitutes "manufacturers of export goods" with "bonafide exporters"; increases the monetary threshold in condition (a) by substituting the lower figure with a higher figure; and omits condition (b) and the entry relating thereto, thereby removing that operative requirement from the exemption notification.

Customs notification amendment inserts a new schedule entry under auxiliary duty using delegated finance and customs powers.
The Central Government, invoking powers under section 25(1) of the Customs Act read with section 64(4) of the Finance Act, amends Notification No. 180/90-Customs by inserting after Sl. No. 272 a new Sl. No. and entry to the Schedule, thereby adding Notification No. 220/90-Customs dated 26 July 1990 to the list of miscellaneous exemption notifications concerning auxiliary duty.

Exemption for used machinery imports permits limited customs duty relief for project exporters subject to certification conditions.
Exemption grants limited customs relief for imported used machinery classified under the customs tariff chapters covering industrial engines and apparatus when imported by qualifying project exporters: duty is waived to the extent it exceeds 25% ad valorem and the additional duty under the tariff statute is fully exempt. Relief is conditional on producing a senior ministry certificate confirming project clearance by the Export Import Bank working group and a chartered engineer's certificate that the machinery was used in the project for at least five years.

Auxiliary duty amendment inserts three Customs notifications into the Schedule to a prior notification, changing exemption entries.
The Central Government, exercising powers under the Customs Act and the Finance Act, amends Notification No. 182/90-Customs by inserting after Sl. No. 99 three new entries: Nos. 215-Customs, 216-Customs and 217-Customs, each dated 26th July, 1990, thereby effecting an auxiliary duty amendment through direct addition to the Schedule.

Amendment of customs exemption notification removes a specified table entry under delegated power conferred by the Customs Act.
The Central Government, exercising powers under sub section (1) of section 25 of the Customs Act, 1962, amends Notification No. 114/80 Customs by omitting Sl. No. 2 and the entry relating thereto from the Table annexed to that notification, the amendment being taken in the public interest.

Customs duty exemption for imported photo composing machines and keyboards for registered newspaper establishments subject to a Registrar certificate.
The notification exempts from customs duty the portion of basic duty exceeding a reduced ad valorem rate and suspends additional duty under section 3 for photo composing machines and keyboards imported by registered newspaper establishments, conditional upon production at clearance of a recommending certificate issued by the Registrar of Newspapers for India to the Assistant Collector of Customs.

Customs duty exemption for printing-industry imports conditioned on authorised certification and product specifications.
The notification exempts specified goods in Chapter 84 or 90 imported for the printing industry from customs duty in excess of the amount calculated at 35% ad valorem and from the additional duty under section 3, conditional on production at clearance of a certificate from an authorised industrial officer; the listed goods are complete photo-composing/photo-typesetting systems with ancillaries, subject to limits on keyboards and editing terminals and minimum resolution and cost requirements.

Customs exemption caps duty on imported Calcutta Metro project goods to a specified ad valorem rate.
Goods classified under the specified tariff heading imported for the Calcutta Metro Railway Project are exempted from that portion of customs duty which exceeds the amount calculated at a capped ad valorem rate, providing a project specific limitation on duty payable at importation.

Specified project inclusion expands customs tariff exemptions to add a metro railway project under amended notification.
The Central Government, exercising powers under sub-item (6) of heading No. 98.01 of the First Schedule to the Customs Tariff Act, 1975, amends Notification No. 110/86-Customs (17 February 1986) by inserting, after Serial No. 19, a new Serial No. (20) identifying the Calcutta Metro Railway Project as a specified project eligible under the listed tariff heading, pursuant to Notification No. 214/90-Cus., dated 26 July 1990.

Drawback exception introduced for shipments, limiting automatic valuation where per shipment drawback exceeds a prescribed monetary threshold.
The amendment adds an exception to rule 7A of the Customs and Central Excise Duties Drawback Rules, 1971 by inserting after the words "value thereof" the phrase excluding cases where the amount of drawback per shipment exceeds rupees ten thousand, thereby creating a per shipment exception to the existing drawback valuation rule.