He is Head - Department of Commerce, Ramjas College, University of Delhi, is a scholar and a prolific writer. He has been conferred with the award for "Exemplary Services contributed to the cause of Profession", by the Northern India Regional Council of The Institute of Chartered Accountants of India, New Delhi. He has also been a visiting faculty at the Institute of Chartered Accountants of India, New Delhi & various other Management Institutes. He has authored more than 50 Best Selling Books. His Prominent Publications include the following: Commercial Studies & Applications for Class IX & X (ICSE) • Accountancy for Class XI & XII (CBSE) • Business Studies for Class XI & XII (CBSE) • Accountancy for Class XI & XII (ISC) • Commerce for Class XI & XII (ISC) • Cost Accounting • Practical Costing • Company & Compensation Laws • Corporate Accounting • Fundamentals of Accounting for CA/ CPT • Mercantile Law for CA/ CPT • Accountancy for CA-PCC • Cost Accounting for CA-PCC • Financial Management for CA-PCC • Business & Corporate Laws for CA-PCC • Financial Accounting • Business Law • Quantitative Techniques