Hindi

Standard Hindi, or more precisely Modern Standard Hindi, also known as Manak Hindi , High Hindi, Nagari Hindi, and Literary Hindi, is a standardized and sanskritized register of the Hindustani language derived from the Khariboli dialect of Delhi. It is an official language of the Republic of India along with English.

Colloquial Hindi is mutually intelligible with another register of Hindustani called Urdu. Mutual intelligibility decreases in literary and specialized contexts which rely on educated vocabulary.  According to the 2001 Indian census, 258 million people in India reported their native language to be "Hindi".