Which of the following is a dissimilarity among India and China?

Both 1 and 3

The correct answer is option 4: Both 1 and 3

As, India, Pakistan and China are neighbours, they are blessed with similar physical endowments.

However, economic system and political system of both the countries varies. India and Pakistan have a mixed economic system whereas, China follows a socialistic pattern.

Talking about the political structure, all the 3 countries follow a totally different political system. India is a federal democratic republic with multiple political parties, whereas China is a single-party communist state with centralized control.