Answer:
India, Pakistan, and Bangladesh are considered a subcontinent of Asia because this region is separated from the rest of Asia by very large mountain ranges.
Step-by-step explanation:
A subcontinent is a subdivision of a continent. Nepal, Bhutan, India, Pakistan, Bangladesh, Sri Lanka and the Maldives are all countries included in the subcontinent of Asia. They are located in the peninsular area of Asia that projects from the Himalayas. Historically and geographically speaking, this area originally belonged to the supercontinent called Gotwana, but moved and merged with the Eurasian landmass.