Ahmed Munirus Saleheen Dr Ahmed Munirus Saleheen is a tax researcher and a former senior secretary of the Government of Bangladesh. He can be reached at ahmedmsaleheen@gmail.com. How to maximise tax revenue without imposing regressive taxes 18 January 2025, 04:00 AM While indirect taxes are relatively convenient and efficient in terms of collection, they mostly disregard the principles of fairness and certainty. 18 January 2025, 04:00 AM