• Delhi first became the capital of a kingdom under the Tomer Rajput, who were defeated by Chauhan (also called Chauhan Anas) of Ajmer.

Explanation:

Delhi first became the capital of a kingdom only under the Tomaras who were a part of the Rajput dynasties. The Tomara Rajputs were defeated in the mid-twelfth century by the Chauhans. Delhi became an important commercial centre under the Tomaras and Chauhans.

maybe this is helpful

first representative government in british america called virginia assembly