He married with Kamla Kaswan on 8 May 1965 and has one son and three daughters.
He was Sarpanch, Kalri, Distt. Churu, Rajasthan for 13 years. And President, Bharatiya Janata Party, District Churu.
1991: Elected to 10th Lok Sabha by a narrow margin of 168 Votes against Jai Singh Rathore of INC; Member, Committee on Urban and Rural Development, Member, Consultative Committee, Ministry of Surface Transport 1992: Member, National Executive Committee, B.J.P.
1999 - 2000: Member, Committee on Industry, Member, Committee of Privileges
2000 - 2004: Member, Consultative Committee, Ministry of Petroleum and Natural Gas
2004: Elected to 14th Lok Sabha (3rd term), Ram Singh Kaswan defeated former Lok Sabha speaker and senior Congress leader Balram Jakhar in the Churu by over 29,000 votes. Member, Committee on Subordinate Legislation, Member, Committee on Industry,......