Hello Aspirant,

You need class 12th marksheet for NDA selection but even if you are going to appear for class 12th examination as well as for NDA exam in same year then you can appear for NDA if your result is awaited but there is a stage of document verification which is conducted after the exam so at that time you can submit your class 12th marksheet.

As per your DoB you will be of 18.5 years old by June 2023 and also your DoB lies in the period of July 2, 2004 to July 1, 2007 so according to your age you will be eligible for the NDA 1 2023 and further, so you can appear for NDA 1 2023.

For your reference the complete eligibility criteria for NDA  is mentioned below :-

>>> Either you should be an Indian National or a subject of Nepal or a subject of Bhutan or people of Indian origin migrated from Zaire, Ethiopia, East African Countries of Kenya, the United Republic of Tanzania, Malawi, Uganda, Burma, Pakistan, Zambia, Sri Lanka and Vietnam to settle in India or Tibetan refugees came to India, to settle in India before January 1, 1962

>>> For NDA 1 2023 the age should be 16.5-19.5 years old and should have born in between July 2, 2004 to July 1, 2007.

>>> Indian Army - Should have passed 12th standard from valid State Education Board or a University.

>>> Indian Air Force and Naval - Should have passed 12th standard with Physics and Mathematics from valid State Education Board or a University.

>>> The candidate should be unmarried.

You can check out the official notification from the link given below (for NDA 2022) :-

https://www.upsc.gov.in/sites/default/files/Notif-NDANA-I-2022-engl-221221.pdf

For detailed eligibility criteria kindly check out the link given below :-

https://competition.careers360.com/articles/nda-eligibility-criteria

I hope this information helps you.

Good Luck!!