To answer this question, we need to understand the design inspiration for the ambassador car.
Option A) 1948 Morris - This option is correct because the design of the ambassador car is indeed based on the 1948 Morris. The ambassador car was manufactured in India by Hindustan Motors, and it was heavily influenced by the design of the Morris Oxford Series III.
Option B) Citroen - This option is incorrect because the ambassador car is not based on the Citroen. While the ambassador car does have some similarities in design with the Citroen, it is primarily based on the 1948 Morris.
Option C) Beetle - This option is incorrect because the ambassador car is not based on the Beetle. The Beetle is a Volkswagen model, and the design of the ambassador car is not influenced by it.
Option D) None of these - This option is incorrect because the correct answer is A) 1948 Morris.
Therefore, the correct answer is A) 1948 Morris. This option is correct because the design of the ambassador car is based on the 1948 Morris.