Dear Friend,
One thing i want to know first,
You want to export the used (scrab )from qatar to India or
you want to export your own used car to india.

If you want to export scrab cars,There are lot formalities to do.
Police certificate
Qatar steel NOC
Port clearance & Etc.,

If it is your own car:
as my friends discuss before,We have all the leading brand cars in India.
So think Smart ......