Ranjodh Singh is a brilliant academic, and an outstanding entrepuner who has turned around the fortunes of his enterprise. Ranjodh is actively involved in the field of Art and Culture, and Social Work.
He is the Chairman & Managing Director of M/s GS Radiators Ltd., Ludhiana , Director of G S Engitech Pvt. Ltd.  and Nominee Director of Eastman Cast & Forge Ltd. Ranjodh Singh was elected as President of Ramgarhia Educational Council (REC), which runs six Educational institutions in Ludhiana. He is also the youngest President of REC and perhaps, of any Punjab university affiliated College. REC is six decade old institution and has done commendable work in field of education. It has been providing education to the weaker sections of society. REC also manages Gurudwara Ramgarhia and Swarag Ashram.
Ranjodh Singh is presently acting as:-
President- Punjab Lalit kala Academy since feb,2010
Finance Secretary of Guru Nanak Public School, Sarabha Nagar, Ludhiana.
Vice President of Punjab & Chandigarh Private College Management     Association
Secretary of Neterheen Sangeet Vidhalaya, Anandpur Sahib, which provides free religious education to the blind, handicapped and orphan children.
President of SPIC MACAY-Ludhiana Chapter, a Society for Promotion of Indian Classical Music Art and Culture amongst Youth.
Member of Archeological Survey of India since May 2007.
General Secretary of Auto Parts Manufacturers Association (India) since 27th September, 2009.
Member Senate – Guru Nanak Dev University.