Question

in what ways has the meaning of the term Hindustan changed over time

Answer 1

:Over the centuries there has been a vast change in the meaning of the term “Hindustan”. Today it is understood as India, the modern nation state. In the thirteenth century the term stood for the lands under the Delhi Sultanate. Babur used the term to describe the geography, culture and fauna of the subcontinent.

Answer 2

Hindustan was a term used by the Mughals to indicate the region by the river Indus. All the people living by the river were know known as Hindus. Now Hinduism has turned into a religion but actually the Hindu religions original name is Sanatan Dharm. Though Hindustan is still used to describe India but the words from which it had been derived had seen changes in its meaning.
This is the way the meaning of the term Hindustan as changed over time.