Gujarātī

Origin
The Gujarātī script was adapted from the Devanāgarī script to write the Gujarātī language. The earliest known document in the Gujarātī script is a manuscript dating from 1592, and the script first appeared in print in a 1797 advertisement. Until the 19th century it was used mainly for writing letters and keeping accounts, while the Devanāgarī script was used for literature and academic writings.

Used to write:

Gujarātī, an Indo-Aryan language spoken by about 46 million people in the Indian states of Gujarat, Maharashtra, Rajasthan, Karnataka and Madhya Pradesh, and also in Bangladesh, Fiji, Kenya, Malawi, Mauritius, Oman, Pakistan, Réunion, Singapore, South Africa, Tanzania, Uganda, United Kingdom, USA, Zambia and Zimbabwe.
Kutchi (કચ્છી), an Indo-Aryan language with about 866,000 speakers mainly in India in the Kutch region of Gujarat, and also in Sindh. There are also some Kutchi speakers in Trinidad and Tobago.

Source: www.ethnologue.com