These are some of the useful links which will be helpful for you whenever you Import and Export.

Airline – Two letter and Three digit details.
http://cargotracking.utopiax.org/

AIR TRACKING & OCEAN TRACKING -
http://redberrytrack.com/track.php

AIRPORT AUTHORITY OF INDIA –
http://www.airports-ecom.gov.in/

ICE GATE :
http://www.icegate.gov.in/

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

NEAREST AIRPORT FINDER :
http://www.freightdate.com/index.php?action=anglo&servid=6

WEIGHT CONVERTER TOOLS :
http://cargotracking.utopiax.org/convert2.html

Currency converter :
http://www.xe.com/ucc/

Internation Port guide :
http://ports.com/

World Time :
http://www.timeticker.com/