Dear Ramdayal, For Son/Daughter natural born (not adopted) of Defence personnel (serving / retired) of Rajasthan origin, and paramilitary personnel (serving / retired) of Rajasthan origin,  1% Seats are reserved for defence seat category. For Girls candidate: Horizontal 50% of these reserved seats are reserved for girl candidate of the same category.
These are the guidelines:

• As per the Kendriya Sainik Kalyan Board, the defence seat is admissible for only one member of the family. Only wards of Defence Personnel from Army, Air Force & Navy
• Priority orders for Defence Seat Reservation Rules as per letter no. 6(1)/2017/D(Res.II), dated 30.11.2017, of Govt. of India

• Widows/Wards of Defence Personnel killed in action
• Wards of those Disabled in action and boarded out from service
• Widows/Wards of those defence personnel who died while in service with death attributable to military service
• Wards of those Disabled in service and boarded out with disability attributable to military service
• Wards of ex-servicemen and serving personnel who are in receipt of Gallantry Award
• Wards of ex-servicemen.
• Wives of (i) defence personnel disabled in action and boarded out from service (ii) defence personnel disabled in service and boarded out with disability attributable to military services (iii) ex-servicemen and serving personnel who are in receipt of Gallantry Award
• Wards of serving personnel
• Wives of serving personnel