What is Pronouns.Btw any indians out there

Pronoun is used to replace the noun

A pronoun is a word that is used instead of a noun or noun phrase. Pronouns refer to either a noun that has already been mentioned or to a noun that does not need to be named specifically. ... The main possessive pronouns are mine, yours, his, hers, its, ours, and theirs.

Pronouns are classified as personal (I, we, you, he, she, it, they), demonstrative (this, these, that, those), relative (who, which, that, as), indefinite (each, all, everyone, either, one, both, any, such, somebody), interrogative (who, which, what), reflexive (myself, herself), possessive (mine, yours, his, hers, ...