Section 7(1)(d) in The Rajasthan Agricultural Produce Markets (Market Committee Employees) Service Rules, 1975
(d)If an employee is unable to state even the year of birth, a certificate from a Medical Jurist, approved by the Director of Medical and Health Services, Rajasthan specifying the approximate year, may be accepted for the purpose of computing age in the manner prescribed in Rule 7(a)(1)(c).