Section 17(1)(c) in The Goa, Daman and Diu Secondary and Higher Secondary Education Rules, 1975
(c)He/She must have completed the age of 17 years not later than the 1st March of that academic year in case of the examination to be held in March and not later than 1st October of the next academic year in case of the examination to be held in October. The date of birth declared by him/her in the form of application shall be supported by authentic document.