Question

why do you think has a number of motor vehicles almost doubled since 1990​

Answer 1

Answer:

because they were a good way to transport any big thing

Answer 2

The number of motor vehicles almost doubled since 1990​ due to the changes in business policy by the Government of India.

Explanation:

There was a major change in the business policy of India in the year 1991. It was the time when the new economic policy was announced to promote globalization, and liberalization in the Indian economy.

The Business environment was promoted to ensure that more and more firms were setting up their business in the country. Interaction with the Foreign markets was increasing and a lot of items were imported.

This resulted in the availability of more raw materials and more production in the country. As a result, the sales of mother vehicles went up.