Hello,

The eligibility criteria for NDA is based on 12th educational qualifications, and there is no such specific aggregate factor required either for 12th/11th or even 10th standard, you just need to fulfill the eligibility criteria as mentioned below-

If you want to appear for Army Wing, then passing or appearing 10+2 from a recognized board is essential,

In case of Indian Air Force and Naval, candidates are required to pass 10+2 from a recognized board with mathematics and physics, also final year appearing candidates are eligible to apply on provisional basis just as in case of Army Wing

the age limit has to be between 16.5 to 19.5 years, candidates are required to be physically fit in terms of height/weight and eyesight,

check out our page at https://competition.careers360.com/articles/nda-eligibility-criteria to know more details regarding this.