Tax exemption under section 10(23G) granted subject to compliance, with withdrawal for non maintenance or non audit of accounts. Approval under section 10(23G) read with rule 2E is granted to M/s Karnataka Power Corporation Limited for assessment years 2002-2005 for specified hydroelectric projects. The approval is conditional on compliance with section 10(23G) and rule 2E; the Central Government may withdraw approval if the enterprise ceases to carry on an infrastructure facility, fails to maintain books and obtain audits as required by sub rule (7) of rule 2E, or fails to furnish the mandated audit report.