Donations to Armed Forces Flag Day Fund are exempted from Income Tax vide Government of India Notification No. 78/2007 dated 26 Mar 07 and under section 80 G (5) (vi) of Income Tax Act 1961 vide Director of Income Tax (E) letter No. NQ.DIT (E) | 2010-11/DEL-AE22280-04012011/2186 dated 04 Jan 11. You will receive donation receipts for the same.
Yes, you can definitely volunteer for AFFDF where you can help spread awareness about the mission. If you wish to be a volunteer, please fill out this form.