Commissionerates :

Central Excise, Ahmedabad-I

http://www.cenexahmedabad.nic.in

Customs Commissionerate – Ahmedabad

http://ahmedabadcustoms.gov.in

Central Excise and Customs, Aurangabad

http://www.centralexciseaurangabad.gov.in

Central Excise Bangalore

http://centralexcisebangalore.kar.nic.in

Customs -Bangalore

http://kar.nic.in/blrcustoms

Customs and Central Excise Commissionerate -Bhubaneswar

http://www.ori.nic.in/cenexbbsr

Central Excise & Customs – Calicut

http://www.cenexcalicut.gov.in

Commissionerates of Chennai-I  / Chennai-II / Chennai-III 

http://centralexcisechennai.gov.in/

Customs – Chennai

http://www.chennaicustoms.gov.in/

Cochin Central Excise Commissionerate

http://www.cenexcisekochi.gov.in

Customs – Cochin

http://www.cochincustoms.nic.in

Commissionerate of Customs, Central Excise and Service Tax Coimbatore

http://cenexkovai.tn.nic.in

Central Excise – Delhi Zone

http://www.centralexcisedelhi.nic.in

Commissionerate of Service Tax – Delhi

http://www.servicetaxdelhi.gov.in

Central Excise – Dibrugarh

http://www.cexdibrugarh.gov.in

Customs – Hyderabad

http://hyderabadcustoms.ap.nic.in

Indian Customs at IGI Airport, New Delhi

http://www.igiacustoms.gov.in

Customs and Central Excise Commissionerate – Jammu & Kashmir

http://ccejk.nic.in

Commissionerate of Customs (Preventive) – Jamnagar

http://www.jamnagarcustoms.gov.in

Custom House, Kandla

http://www.kandlacustoms.org

Commissionerate of Central Excise  – Kanpur

http://www.excisekanpur.nic.in

Customs – Kolkata

http://www.kolkatacustoms.gov.in

Air cargo, Sahar, Mumbai

http://www.accmumbai.gov.in

Customs – Jawahar Customs House, Mumbai

http://www.jawaharcustoms.gov.in

Customs – Mumbai

http://www.mumbaicustoms.gov.in

Central Excise – Mysore

http://www.centralexcisemysore.kar.nic.in

Central Excise  – Nagpur

http://cenexcisenagpur.nic.in

Central Excise Commissionerate – Puducherry

http://www.pondycentralexcise.gov.in

Customs – Pune

http://www.punecustoms.nic.in

Central Excise Commissionerate – Shillong

http://cexstshillong.gov.in/

Central Excise Commissionerate – Surat-I

http://www.excisesurat1.nic.in

Customs – Tuticorin

https://www.tuticorincustoms.org

Central Excise Commissionerate – Vadodara-II

http://www.excisevadodara2.nic.in

Custom House – Visakhapatnam

http://vizagcustoms.nic.in

Overseas Websites :

World Customs organization

http://www.wcoomd.org/

World Trade Organization

http://www.wto.org/%20

Andorra Customs

http://www.afip.gov.ar/

Argentina Customs

http://www.taxindiaonline.com/

General Taxation (non-govt)

http://www.indiantaxsolutions.com/

License, Import/Export policy (non-govt.)

http://www.licenceindia.com/

Other Useful Sites :

Government of India Directory of sites

http://www.goidirectory.nic.in/

Ministry of Finance

http://www.finmin.nic.in/

Directorate General of Foreign Trade

http://www.nic.in/eximpol

General Taxation in India

http://www.taxindiaonline.com/

General Taxation (non-govt)

http://www.indiantaxsolutions.com/

License, Import/Export policy (non-govt.)

http://www.licenceindia.com/