Customs exemption for Chapter 39 imports reduces duty to specified ad valorem and specific per tonne rates under the notification.
Exempts goods under Chapter 39 from customs duty to the extent that duty in excess of amounts calculated at the Table rates is relieved on import. The notification, under section 25(1) of the Customs Act, supersedes a prior notification and prescribes specific reduced duty measures in the Table-various ad valorem percentages, ad valorem plus specific per tonne charges, and flat specific per tonne rates for listed resins, polymers, scraps and other Chapter 39 products-while preserving any existing exemptions granted by other notifications.

Customs exemption amendments expand and revise tariff chapter coverage and eligible electronic components criteria.
The Central Government amends multiple customs exemption notifications to revise tariff classifications and eligible item descriptions for electronic and related goods. Key changes include adding an alternative tariff chapter to numerous entries, substituting and omitting conditional language, inserting new items such as electron guns and parts, expanding coverage to include silicon in all forms and silicon wafers, and adding semiconductor devices, printed circuit boards and various chemicals and alloys to schedules. One amendment adjusts an ad valorem rate expression.

Customs exemption notification amendments extend one exemption's validity and delete a listed exemption from another.
The Central Government amends two customs exemption notifications: it substitutes a later terminal date in paragraph 2 of Notification No. 71/81 Customs to extend that exemption's validity, and it omits Sl. No. (1) and the entries relating thereto from the Table annexed to Notification No. 199/83 Customs, thereby deleting that listed exemption.

Customs exemption for photovoltaic imports limits payable duty and requires technical certification and importer bond on usage.
Exemption reduces customs duty to specified ad valorem rates and waives additional duty on listed goods imported for manufacture of photovoltaic products, conditioned on certification by a senior technical officer in the Department of Non Conventional Energy Sources and on the importer executing a bond to pay the difference for any quantities not proved to have been used in manufacture; the Table specifies covered inputs (silicon, solar cells/modules, photovoltaic systems) and their corresponding concessional ad valorem rates.

Customs exemption for polycrystalline silicon permits reduced duty for imports used to make monocrystalline wafers, subject to certification and repayment obligation.
Exempts imported polycrystalline silicon for manufacture of monocrystalline silicon wafers, discs or chips from customs duty in excess of an amount calculated at thirty-five per cent ad valorem and from the whole of the additional duty under section 3, subject to certification by a specified senior officer and an importer undertaking to use the goods for the declared purpose and to repay the duty difference if the use condition is not met.

Customs exemption for silicon wafers permits reduced duty on imports for semiconductor manufacture, conditioned on certification and use undertaking.
Notification exempts silicon in the form of diffused wafers, discs or chips imported for manufacture of semiconductor devices from duty in excess of a prescribed ad valorem cap and from additional duty under the Customs Tariff Act, conditional on technical certification of need (except for imports under supplementary import licences) and on an importer undertaking to use the goods for the stated purpose and to pay the duty difference if that use is not complied with.

Customs exemption caps duty on specified television picture tubes when imported, limiting levy beyond a capped ad valorem rate.
The Central Government exempts specified television picture tubes imported into India from customs duty in excess of the amount calculated at the rate of 50 per cent ad valorem, applying to goods within Chapters 85 or 98 of the Customs Tariff First Schedule. The notification covers black and white television picture tubes for receiver sets exceeding 36 centimetres screen size and colour television picture tubes with or without deflection yoke, and is issued as a public interest exemption under the Customs Act.

Customs exemption for mechanical components enables reduced duty on specified imports subject to certification and undertaking.
The notification exempts specified imported mechanical components required for manufacture of certain machines from customs duty in excess of a capped ad valorem rate and from additional duty, subject to certification by a technical officer and an importer's undertaking to use the goods for the declared purpose and to pay any duty differential on failure to comply.

Customs exemption for specified R&D equipment limits duty above a 30% ad valorem cap when importer is approved.
Eighty-three specified electronic test, measurement and production equipments imported under Chapters 84, 85 or 90 are exempt so that customs duty is limited to 30% ad valorem and additional duty under section 3 of the Tariff Act is waived, provided the importer is an R&D institution of an electronic goods manufacturer approved and registered by the central science and technology authority and produces proof of approval to the Assistant Collector of Customs at importation.

Customs exemption for data communication components limits import duty and waives additional duty for components brought in for manufacture.
Exemption limits customs duty on specified components of data communication equipment imported for manufacture by capping the ad valorem duty to a fixed rate and waiving the additional duty, while excluding parts containing certain valves, semiconductor devices, diodes, thermo-circuits and most capacitors; applicability is confined to components of the listed communications equipment.

Customs exemption for data communication equipment limits duty to a capped ad valorem rate and removes additional duty on listed imports.
The Central Government exempts specified data communication equipment imported into India and classified within the relevant customs tariff chapters from customs duty in excess of an amount equal to an ad valorem rate capped at seventy-five percent and from the additional duty otherwise leviable under the customs tariff, applying to a listed set of items such as concentrators, controllers, data modems, multiplexers, facsimile terminals, front end processors, gateways, protocol converters, integrated voice/data terminals, and pocket assembler/disassemblers.

Customs ad valorem increase alters exemption coverage for specified integrated circuits by updating eligible types and access-time criteria.
Amendment substitutes the ad valorem rate in Clause (a) with a higher ad valorem rate and replaces the first table entry with a detailed list of integrated circuits eligible under the exemption, specifying device types (DRAM, SRAM, ROM, EPROM, EEPROM) and their maximum access-time parameters.

Customs duty exemption for imported computers and peripherals limits additional ad valorem duty to a specified maximum rate.
Exemption limits additional duty on imported computers and computer peripherals classifiable under Chapter 84 of the tariff schedule so that only an amount up to a prescribed ad valorem rate is leviable; any additional duty in excess of that capped ad valorem rate is not imposed on such imports.

Customs exemption rate increase expands exempted peripheral goods list under amended notification, adding optical and laser peripherals.
The amendment substitutes a higher ad valorem exemption rate for the prior lower rate in clause (a) of the earlier customs notification and inserts additional peripheral and optical/mechanical items into the notification's table, specifically listing optical printers (including laser printers), optical/laser disc drives, encoders and readers/sorters for MICR, computer output microfilm/microfiche, laser scanners, and optical character/mark/page readers, thereby expanding the tariff exemption for those imported goods.

Customs exemption for computer peripherals revised to apply only to duty in excess of the specified ad valorem rate.
The Central Government amends Notification No. 281/84-Customs to limit exemption to that portion of customs duty in excess of the amount calculated at the rate specified in the substituted Table, and replaces the Table to list specified computer peripherals as subject to a 60 per cent ad valorem specification when imported into India.

Customs exemption for imported electronic components: duty above a capped ad valorem rate and additional duty waived, subject to certification.
Exempts specified electronic parts for manufacture or maintenance of computers from customs duty in excess of an amount computed at 110 per cent ad valorem and from the entire additional duty under section 3 of the Customs Tariff Act, conditioned on certification and recommendation by an authorised Joint Director-level or equivalent officer as to the description and quantity of parts required.

Customs exemption for computers tied to technical specification thresholds, limiting eligibility to units meeting prescribed hardware criteria.
Amendment conditions Customs tariff exemption for imported computers on the basis of technical specification thresholds, replacing prior clauses and limiting eligibility to units meeting minimum central processing unit speed, disk storage capacity, and main memory capacity requirements.

Customs exemption for specified textile machinery conditional on export obligations and bonded monitoring for compliance.
Concessional customs treatment is provided for specified new textile machines on import by capping ad valorem duty and exempting additional duty, conditional on production of certification and a bond evidencing export linked obligations. Export obligations may be framed as a required proportion of goods produced to be exported or used in exported fabric manufacture, or as an aggregate export value multiple of the machines' customs value to be achieved within a fixed term; such obligations run for a prescribed period and must be monitored and enforced under instructions of the controlling authority.

Exemption for research consumables: import duty waived subject to institutional certification and departmental approvals and value thresholds.
Consumable goods imported for research by a public-funded research institution are exempt from customs duty and additional duty subject to certification conditions: for imports within an aggregate CIF value ceiling in a financial year the head of the institution must certify institution status, non-commercial activity, non-availability of the goods in India, exclusive research use, and that the aggregate exempted value does not exceed the ceiling; for imports above that ceiling, certification is additionally required from an Industrial Adviser-level officer of the Directorate General of Technical Development and a Deputy Secretary-level officer in the Department of Science and Technology or administratively concerned Ministry/Department, with all certificates produced at clearance or as allowed by the Assistant Collector of Customs.

Customs duty exemption for listed machinery parts reduces specified customs and additional duties on qualifying imports, with defined exclusions.
Exemption reduces customs charges on parts under heading 98.06 imported as components of specified machinery by exempting the portion of basic duty above the notified ad valorem rate and exempting the entire additional duty under section 3, subject to listed tariff headings, specified subheading exclusions, and provisos excluding parts with semiconductor devices, light emitting diodes, electronic microcircuits, and parts interchangeable with motor vehicle components.