Question

which ruler first established his or her capital at Delhi? and how?​

Answer 1

Answer:

Ananga Pala

it is your answer

Answer 2

Answer:

Ananga Pala-

Ananga Pala from the Tomara dynasty of Rajputs first established his capital at Delhi

Further words-

The Tomara , also known as Tomaras of Delhi was a Indian dynasty that ruled parts of present-day Delhi and Haryana in India during 8th-12th century. Their rule over this region is attested to by multiple inscriptions and coins. In addition, much of the information about them comes from medieval bardic legends, which are not historically reliable. They were displaced by the Chahamanas of Shakambhari in 12th century.