Dr. Balbir Singh has been the Head of the Department of Commerce, Shaheed Bhagat Singh College, University of Delhi. He has been teaching the subject of Accountancy for many decades. He has been conducting Workshops for Orientation of Accountancy Teachers for Central lnstitute of Education (CIE), University of Delhi. He has participated in many Workshops conducted by NCERT. His main area of interest in school education has been the introduction of 'Voucher based' Book keeping and the Projects in Accountancy Even the CBSE deputed him to motivate, encourage and train the accountancy teachers in CBSE affiliated schools all over India. He has chaired many seminars conducted by National lnstitute of Open School of Learning, and Directorate of Education, Delhi. He has been on the guest faculty of Shaheed Sukhdev College of Business Studies and the lnstitute of Chartered Accountants of India. He also worked as Professor of Commerce, Trinity College of G.S.I.F! University Delhi. He is being continuously invited by different public schools to talk to their students and guide them in understanding different concepts in Accountancy.