Early medieval times, Alwar was ruled by Jadaun clan of Chandravanhi rajputs. In ealy 13th century Nahar Khan of the same Chandravanshi clan converted to Islam in thirteenth century during Firuz Shah Tughlak’s regime. Alawar Khan who was the descendent Nahar Khan, established the kingdom of Alawar in 1412 A.D.
During Mughal period, Khanzada Hasan Khan Mewati fought against invader Babar and later on Hasan Khan’s nephew Jamal Khan gave his two daughters to Humanyun and Bairam khan in marriage. In the 1550s, Khanzada Rajput king of Ulwar was overthrown by Akbar’s military campaign to encircle Mewar Kingdom.
Later on 25th November 1775, Rao Pratap Singh raised his standard over the Alwar Fort and founded the modern kingdom of Alwar.
Kachwaha Rulers of Modern Alwar State
- Pratap Singh Prabhakar Bahadur (1775–1791) Rao Raja of Alwar
- Founded the princely state of Ulwar.
- Bakhtawar Singh Prabhakar Bahadur (1791–1815) Rao Raja of Alwar
- He also devoted himself to the work of extension and consolidation of the territory of the State.
- Maharao Raja Bakhtawar Singh rendered valuable services to Lord Lake, during the latter’s campaign against Marathas, in the battle of Laswari, in the Alwar territory when the State troops assisted him in finally breaking the Marathas and Jat powers.
- As a result, in 1803, the First Treaty of Offensive and Defensive Alliance was forged between Alwar State and the East India Company. Thus, Alwar was the first princely State in India to enter into Treaty Relations with the East India Company.
- Bane Singh Prabhakar Bahadur (1815–1857) Maharao Raja of Alwar
- Sheodan Singh Prabhakar Bahadur (1857–1874) Maharao Raja of Alwar
- Mangal Singh Prabhakar Bahadur (1874–1892) Maharaja of Alwar
- Jai Singh Prabhakar Bahadur (1892–1937) Maharaja of Alwar
- It was in the times of Jai Singh that name of state was changed from Ulwar to Alwar.
- Tej Singh Prabhakar Bahadur (1937–1971) Maharaja of Alwar
- Following the independence of India in 1947, Alwar acceded unto the dominion of India. On 18 March 1948, the state merged with three neighboring princely states (Bharatpur, Dholpur and Karauli) to form the Matsya Union. This union in turn merged unto the Union of India. On 15 May 1949, it was united with certain other princely states and the territory of Ajmer to form the present-day Indian state of Rajasthan.