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 While indirect taxes are relatively convenient and efficient in terms of collection, they mostly disregard the principles of fairness and certainty. 18 January 2025