Section 25(2)(c) in The Goa, Daman and Diu Secondary and Higher Secondary Education Rules, 1975
(c)If the candidate is taken ill and is prevented from appearing for the examination, 50% of the fees shall be refunded provided the application for withdrawal of application for admission to examination alongwith necessary medical certificate from registered medical practitioner reaches the Secretary of the Board through the Head of the institution concerned within two days from the commencement of the examination or the Chairman is satisfied that such an application was despatched by the candidate in good time so as to reach the Secretary within the said period: