In terms of value India was 45 percent and Japan 38 percent, the chamber said, citing a study by its economic intelligence unit.
Total spending on import of vehicles and spares had fallen 17 percent in 2013 from a year earlier, the chamber said without giving actual values.
Imports of diesel three wheelers, passenger vehicles, good vehicles, motor cycles, concrete mixer lorries had fallen in 2013 in both value and quantity terms. While crane lorries and bicycle imports had gone up.
Passenger vehicles with engines below 1000 cubic centimeter capacity had fallen but larger cars over 3000 cc and between 1000 to 3000 cc had risen.