- The Chelliah Committee was appointed in 1991 to examine the structure of direct and indirect taxes. - Its recommendations formed the basis for significant changes in income tax, corporate tax, customs duty, and excise duty introduced during the subsequent years. - N. Narasimhan chaired committees on banking sector reforms (1991 and 1998). - R.N. Malhotra chaired a committee on insurance sector reforms (1994). - Arjun Sengupta has been associated with various economic policy discussions and planning.