The correct answer is Tonk.
- Tonk state in Rajasthan had a Nawab.
- Nawab Muhammad Ismail Ali Khan was the ruler of Tonk state.
- Tonk was also the capital of the princely state of British India.
Key Points
- All of the states had Hindu Rajput rulers, except Tonk, which had a Muslim ruler, and Bharatpur State and Dholpur State, which had Jat rulers.
- Nawab Muhammad Amir Khan (1769–1834) was a military general in the service of Yashwantrao Holkar of the Maratha Empire and later became the first ruler of the princely state of Tonk (in the present-day Rajasthan state of India).
Additional Information
- Tonk is situated on the right of the Banas river.
- It is referred to as Rajasthan ka Lucknow.

