He did his research in neurological complications in T.B.M and then started his professional career as medical practitioner at Bettiah of Bihar state of India.
He established blood banks while being life member and treasurer of Red Cross Society of India, worked as Vice-President of Indian Medical Association, was one of Governing body member of Indian Council of Medical Research (I.C.M.R), and was part of Board of Governors of the National Institute of Pharmaceutical Education and Research.
[5][6] Source:[7] Representing India, Madan Jaiswal speaking at 57th General Assembly as part of fourth committee and 14th meeting on 22 October 2002, he expressed concerns over lack of communication in advance, insufficient information in advance, delays in reimbursement, lack of training, lack of contingent-owned equipment and full self-sustainability as the major concerns for developing nations like India, which being one of the major troop contributor to the United Nations Security Council.
He called for innovative approaches for effective and strategic deployment of troops from member states to maintain international peace and security.
[8] Representing India, Madan Jaiswal speaking at 57th General Assembly as part of fourth committee and 17th meeting on 30 October 2002, he asked United Nations to play a role in bridging the gap between developing and developed nations in getting access to the information and communication technologies.