India is about 18 times bigger than North Dakota.

North Dakota is approximately 178,647 sq km, while India is approximately 3,287,263 sq km, making India 1,740% larger than North Dakota. Meanwhile, the population of North Dakota is ~672,591 people (1.4 billion more people live in India).
Tip: This to-scale comparison of North Dakota vs. India uses the Mercator projection, which distorts the size of regions near the poles.