Introduction:
The Indian subcontinent is a region in South Asia that includes several countries. However, China is not considered a part of the Indian subcontinent.

Explanation:
The Indian subcontinent is defined by its geographical boundaries, which include the countries of India, Nepal, Bangladesh, and Pakistan. However, China is not included in this region.

Geographical Boundaries:
1. India: India is the largest country in the Indian subcontinent. It is located in South Asia and shares its borders with several countries, including Nepal, Bhutan, Bangladesh, and Pakistan.
2. Nepal: Nepal is a landlocked country located in the Himalayas. It is situated to the north of India and shares its borders with China to the north and India to the south, east, and west.
3. Bangladesh: Bangladesh is a country located in South Asia. It is situated to the east of India and shares its borders with India to the west, north, and east, as well as with Myanmar to the southeast.
4. Pakistan: Pakistan is a country in South Asia and is located to the northwest of India. It shares its borders with India to the east, Afghanistan and Iran to the west, and China to the northeast.
5. China: China is a country located in East Asia and is not considered a part of the Indian subcontinent. It is situated to the northeast of India and shares its borders with several countries, including Nepal, India, and Pakistan.

Conclusion:
In conclusion, while countries like India, Nepal, Bangladesh, and Pakistan are considered a part of the Indian subcontinent, China is not included in this region. The Indian subcontinent is defined by its geographical boundaries, and China falls outside of these boundaries.