Customs exemption: erythromycin thiocyanate imports subject only to a specified ad valorem duty rate, limiting higher levies.
The Central Government, invoking public interest powers under the Customs Act, exempts Erythromycin Thiocyanate (TIOC) classified in the relevant tariff chapter from so much of customs duty as exceeds an amount calculated at a specified ad valorem rate, thereby capping the effective customs liability on those imports.

Exchange rate update: substituted export valuation rates for specified currencies, effective from the notification's stated date.
Amendment substitutes specified exchange rates for certain foreign currencies in the Schedule to Notification No. 60/92-Cus. (N.T.), pursuant to sub-section (2) of section 20 of the Indian Stamp Act and sub-clause (i) of clause (a) of sub-section (3) of section 14 of the Customs Act, 1962, and declares the revised rates effective from the stated effective date.

Exchange rate amendment: substitution of specified foreign currency rates for imported goods, effective from notified date.
Amendment substitutes specified exchange rates for Danish Kroners, Dutch Guilders, Norwegian Kroners and Pound Sterling in the customs notification schedule, prescribing new currency conversion rates for use in import valuation and declaring the effective date from which those substituted rates apply.

Exchange rate determination for export goods fixes specified foreign currency conversion rates into Indian currency for customs purposes.
The Central Government prescribes, under a Customs Act provision, specific conversion rates between listed foreign currencies and Indian currency for purposes relating to export goods. A Schedule accompanies the notification listing each foreign currency and the foreign-currency equivalent to a fixed rupee amount; those prescribed rates apply for customs conversions and valuation of export goods during the notification's effective period.

Exchange rate determination: Government prescribes conversion rates for stamp duty and customs valuation on imported goods.
The Central Government prescribes the rate of exchange for each foreign currency specified in the Schedule for purposes of calculating stamp duty under the Indian Stamp Act and determines, for the purposes of section 14 of the Customs Act insofar as these relate to imported goods, that the rate of exchange of conversion of each foreign currency into Indian currency or vice versa shall, with effect from 1 October 1992, be the rate mentioned against it in the corresponding entry of the Schedule.

Exchange rate update: specified foreign currency conversion figures revised for export goods, effective from the notified date.
Amendment to Customs notification substitutes Schedule entries for serial Nos. 1, 10 and 15 by revising the official exchange rates for Austrian Schillings, Italian Lire and Swedish Kroners, and declares that the revised rates are effective from 25th September, 1992, under the statutory authority of the Indian Stamp Act and the Customs Act.

Exchange rate update for imported goods: revised foreign currency rates for customs valuation take effect and govern import declarations.
Amendment to the customs notification revises prescribed exchange rates for valuation of imported goods by substituting schedule entries for four specified currencies. The Central Government, under provisions of the Indian Stamp Act and the Customs Act, sets the revised currency conversion rates in the schedule and declares them effective from the stated operative date for application in customs assessment and import documentation.

Auxiliary duty amendment adds a customs notification entry, modifying the exemption schedule under delegated taxation powers.
Amendment to Notification No. 190/92-Customs adds, in the Schedule after Serial No. 316, a new Serial No. 317 and the entry "No. 279-Customs, dated 24th September, 1992," made by the Central Government under the powers conferred by sub section (1) of section 25 of the Customs Act, 1962 read with sub section (4) of section 111 of the Finance Act, 1992, as a public interest measure to modify the miscellaneous exemption notifications schedule.

Customs duty exemption for specified petroleum operations imports conditioned on official certification and contract-linked eligibility.
Exemption from customs duty is provided for a specified list of goods imported for petroleum operations under contracts involving the Government of India and designated oil entities; coverage includes whole customs duty and any additional duty for equipment such as seismic vessels, drilling rigs and components, helicopters, platforms and related process equipment, line pipes, pipe-laying vessels, pollution-control vessels, chemicals, stores and oil well cement. Eligibility requires a certificate from an officer not below the rank of Deputy Secretary in the Ministry of Petroleum and Natural Gas confirming the goods are required for the petroleum operations and imported under the specified contract.

Customs exemption certification required for adventure sport and specified golf equipment imports to qualify for tariff concession.
The notification expands exemption coverage to include Golf Equipments under the specified tariff heading alongside Adventure Sport Equipments, and substitutes the proviso to require a certificate from the authorised Government tourism authority confirming that imported Adventure Sport Equipments are required for adventure sports as a condition of eligibility.

Auxiliary duty amendment adds a new schedule entry to incorporate an additional customs notification into exemptions.
The Central Government, exercising powers under section 25(1) of the Customs Act, 1962 read with section 111(4) of the Finance Act, 1992, amends Notification No. 190/92-Customs by inserting Serial No. 316 in the Schedule immediately after Serial No. 315 to add the entry referencing Notification No. 276-Customs dated 23rd September, 1992.

Customs exemption for fertiliser plant renovation permitted subject to certification and importer undertaking invoking duty liability.
Exemption from the whole of customs duty is granted for goods under Chapters 84, 85 or 90 imported for renovation or modernisation of a fertiliser plant, contingent on techno-economic clearance and certification by a Deputy Secretary in the Department of Fertiliser and by an Additional Industrial Advisor in the Directorate General of Technical Development, and on the importer's undertaking to use the goods for the specified purpose, with duty liability arising if the goods are not so used.

Customs exemption expanded for fertilizer project imports: partial ad valorem relief replaced with full duty exemption under the First Schedule.
Amendment expands customs relief for fertilizer project imports by replacing the phrase that limited exemption to duty in excess of a specified ad valorem rate with a provision exempting the whole of the duty leviable under the First Schedule, effectuated by textual substitution in the earlier notification under statutory authority.

Auxiliary duty amendment: omission of an existing Schedule entry and insertion of a new Schedule entry referencing Notification No.273-Customs.
Amendment to Notification No.190/92-Customs deletes serial number 98 and its entry from the Schedule and inserts a new serial number 315 after serial number 314, referencing Notification No.273-Customs; enacted under section 25(1) of the Customs Act, 1962 and section 111(4) of the Finance Act, 1992 as a governmental amendment to miscellaneous exemption notifications concerning auxiliary duty.

Customs duty exemption for gold imports under Export Promotion and Replenishment Scheme enables duty-free import by designated entities.
Gold under the relevant customs tariff heading imported by or on behalf of designated importing entities for supply under the Gold and Silver Jewellery and Articles Export Promotion and Replenishment Scheme is exempted from the whole of customs duty in the First Schedule and from the whole of the additional duty leviable under the Customs Tariff Act; the exemption is issued under the Customs Act and supersedes the earlier notification.

Auxiliary duty amendment adds molybdenum ores and concentrates to customs exemption table, changing levy scope.
Amendment to Notification No. 189/92-Customs inserts a new Table entry, S. No. 14A, adding Molybdenum Ores and Concentrates (chapter 26) to the list of goods affected by the notification, effected by the Central Government under its statutory powers in the public interest.

Customs amendment broadens covered bearing components to include inner rings, outer rings, and cups or cones.
Amendment substitutes narrower component descriptions in the Table to Notification No. 70/89-Customs: replacing "Inner and outer rings" with Inner rings, outer rings or inner and outer rings (item (a), S. No. 4 and item (b), S. No. 6) and replacing "Cups and cones" with Cups, cones or cups and cones (item (a), S. No. 6), thereby expanding the textual scope of exempted bearing parts.

Customs tariff amendment replaces specified tariff entry with an ad valorem duty for certain imports under notification.
The Central Government, invoking its statutory power under the Customs Act, amended Notification No. 252/90-Customs by substituting the entry in column (4) against Sl. No. 4 in the Table with an ad valorem duty, thereby modifying the tariff entry applicable to specified imports from Bangladesh, Korea and similar sources.

Customs exemption scope: extension to salts and esters of specified bulk drugs, broadening coverage under the notification.
The Central Government, invoking sub section (1) of section 25 of the Customs Act, 1962, amended Notification No. 45/79-Customs by inserting an explanation after the Table declaring that the exemption contained in the notification shall also apply to the salts and esters of the goods specified in the Table, thereby clarifying and expanding the scope of the existing customs exemption relating to bulk drugs.

Auxiliary duty notification amendment: adds Notification No.267 to the Customs miscellaneous exemption schedule, expanding exempted entries.
The Central Government amends Notification No. 190/92 Customs by inserting, after Serial No. 313, a new Serial No. 314 referring to Notification No. 267 Customs dated 3rd September 1992, thereby adding that notification to the Schedule of miscellaneous exemption notifications under the statutory powers conferred by the Customs Act and the Finance Act.