Exemption under section 10(46): specified municipal authority incomes exempt subject to non commerciality and filing conditions. Notification grants exemption under section 10(46) to the Pune Metropolitan Region Development Authority for specified incomes: government grants; fees, user charges and fines as Local Town Planning Authority; land lease rentals from monetization of government lands; stamp duty grant; miscellaneous receipts such as penalties and registration fees; and interest on these receipts. The exemption is conditional on the Authority not engaging in commercial activity, maintaining the nature of activities and specified income, and filing income tax returns as per the statutory return provision, and is applied retrospectively to specified financial years.