Late S. Kartar Singh Jassal joined Patiala State forces in 1933 as tailor master. He left his job in 1948 and opened his private tailoring shop. Maharajadhiraj Yadavindra Singh Mahendra Bahadur of Patiala appointed him as his tailor and outfitter in the year 1956. He also tailored clothes for Congress minister Sh. Natwar Singh, the brother-in-law of Maharaja Amrinder Singh. Sh. Rajiv Gandhi, the then Prime Minister of India, really liked Sh. Natwar Singh's clothes. Soon after, he also started getting his clothes tailored by S. Kartar Singh Jassal. He also tailored clothes for ex-President of India Giani Zail Singh, Governors Sh. S. S. Ray, Sh. Arjun Singh, Sh. Shiv Raj Patil and Chief Ministers S. Partap Singh Kairon, S. Darbara Singh, S. Harcharan Singh Brar and Capt. Amrinder Singh.