The correct answer is: Gaddi.
The Tankri script is an old writing system used by the Gaddi people of Himachal Pradesh, India. It is a descendant of the Brahmi script and is written from left to right. The Tankri script is used to write the Gaddi language, which is a member of the Indo-Aryan language family.
The Gaddi people are a group of Indo-Aryan people who live in the Indian state of Himachal Pradesh. They are traditionally a pastoral people who live in the high mountains of Himachal Pradesh. The Gaddi people are known for their traditional dress, which includes a long coat and a hat with a large brim.
The Gaddi language is a member of the Indo-Aryan language family. It is spoken by about 1 million people in Himachal Pradesh. The Gaddi language is closely related to the Punjabi language.
The Tankri script is an old writing system used by the Gaddi people. It is a descendant of the Brahmi script and is written from left to right. The Tankri script is used to write the Gaddi language.
The Tankri script is a beautiful and unique writing system. It is a valuable part of the Gaddi culture and heritage.
The other options are incorrect because they are not the names of tribes that used the Tankri script.