Key Facts
- Formation date
- 18 March 1948
- Dissolution date
- 15 May 1949
- Constituent princely states
- Alwar, Bharatpur, Dholpur, Karauli
- First & only Chief Minister
- Shobha Ram Kumawat (INC)
- Rajpramukh
- Udai Bhan Singh, Maharaja of Dholpur
Imperial Zenith Metrics
Historical Trajectory
Phase I: Rise
On 18 March 1948, following Indian independence and the accession of princely states to the Dominion of India, four contiguous princely states — Alwar, Bharatpur, Dholpur, and Karauli — were merged to form the Matsya States Union. Shobha Ram Kumawat of the Indian National Congress became its first and only Chief Minister, while Udai Bhan Singh of Dholpur served as Rajpramukh, providing the new union with its administrative framework.
Phase II: Zenith
During its brief existence from 1948 to 1949, the Matsya Union functioned as a constituent state of the Dominion of India, administering the combined territories of its four former princely states. Alwar served as the capital, and the union represented an early experiment in consolidating the fragmented princely-state geography of what would become Rajasthan, operating under a democratic chief ministerial government alongside a ceremonial Rajpramukh.
Phase III: Decline
On 15 May 1949, the Matsya Union was absorbed into Greater Rajasthan to form the United States of Rajasthan, under assurances of regional autonomy. This merger effectively ended the Matsya Union's separate existence. The unified entity subsequently became the state of Rajasthan on 26 January 1950, when India's constitution came into force, completing the integration of the former princely states into the Indian republic.
Notable Imperial Reigns
Selected rulers mapping the empire’s trajectory