Exempt services for incubatees subject to turnover ceiling and limited post-agreement eligibility, requiring recognised incubator agreement. Services provided by an incubatee are exempt from service tax where the incubatee's total turnover in a financial year does not exceed fifty lakh rupees, provided the preceding year's turnover also did not exceed fifty lakh rupees and the services are rendered within three years from the date of entering into an agreement with a recognised Technology Business Incubator or Science and Technology Entrepreneurship Park; notification also extends exemption to approved biotechnology incubators' services to incubatees.