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The Patiala and East Punjab States Union (PEPSU) was a State of India, uniting eight princely states between 1948 and 1956. The capital and principal city was Patiala. The state covered an area of 26,208 km2. Kasauli, Kandaghat and Chail was also part of PEPSU.
| S. no. | Rajpramukh | Portrait | Tenure | Uparajpramukh | Portrait | Appointed by | ||
| 1 | Yadavindra Singh | | 15 July 1948 | 1 November 1956 | 8 years, 109 days | Jagatjit Singh | | C. Rajagopalachari |
| No | Portrait | Name (Birth–Death) (Constituency) | Term of office | Time in office | Party(Alliance/ Partner) | Assembly (Election) | Appointed by | ||
| Took office | Left office | ||||||||
| Premier (1948–1952) | |||||||||
| - | | Gian Singh Rarewala(1901-1979)( – ) | 15 July 1948 | 13 January 1949 | 182 days | IND | Not Yet Created | Yadavindra Singh | |
| 1 | | Gian Singh Rarewala(1901-1979)( – ) | 13 January 1949 | 23 May 1951 | 2 years, 130 days | ||||
| 2 | | Raghbir Singh(1895-1955)( – ) | 23 May 1951 | 21 April 1952 | 1 year, 333 days | Indian National Congress | |||
| Chief Minister (1952–1956) | |||||||||
| 1 | | Raghbir Singh(1895-1955)(Patiala Sadar) | 21 April 1952 | 22 April 1952 | 1 day | Indian National Congress | 1st(1952) | Yadavindra Singh | |
| 2 | | Gian Singh Rarewala(1901-1979)(Amloh) | 22 April 1952 | 5 March 1953 | 317 days | IND(UDF) | |||
| (i) | | Vacant (President's rule) | 5 March 1953 | 8 March 1954 | 1 year, 3 days | - | Rajendra Prasad | ||
| (1) | | Raghbir Singh(1895-1955)(Patiala Sadar) | 8 March 1954 | 12 January 1955 [d] | 310 days | Indian National Congress | 2nd (1954) | Yadavindra Singh | |
| 3 | | Brish Bhan(1908-1988)(Kalayat) | 12 January 1955 | 1 November 1956[pd] | 1 year, 294 days | ||||
| Sr. No. | Name | Portrait | Term of office | Political Party | Chief Minister | ||
| 1 | Brish Bhan | | 23 May 1951 | 21 April 1952 | Indian National Congress | Raghbir Singh | |
| 8 March 1954 | 12 January 1955 | ||||||