At the time of its merger, State Bank of Patiala had a network of 1445 service outlets, including 1314 branches, in all major cities of India, but most of the branches were located in the Indian states of Punjab, Haryana, Himachal Pradesh, Rajasthan, Jammu & Kashmir, Uttar Pradesh, Madhya Pradesh, Delhi, Gujarat and Maharashtra.

His Highness Bhupinder Singh, Maharaja of Patiala State, founded the Patiala State Bank on 17 November 1917 to foster growth of agriculture, trade, and industry.

The bank had one branch at Chowk Fort, Patiala, Undivided India.

It primarily engaged in providing short-term credit to grain dealers and other traders.

[4][b] The logo of the State Bank of Patiala is a blue circle with a small cut in the bottom that depicts perfection and the small man the common man – being the center of the bank's business.