Hello

For NEE-I the eligibility criteria is that the students have to pass 10 or equivalent examination with mathematics and science respectively. And the age limit is that the candidates should not be more than 19years of age.For different categories the age limit varies. If you are looking for NEE II Forestry, NEE II Vocational or any other you can refer the following link

https://www.google.com/amp/s/engineering.careers360.com/articles/nerist-entrance-examination-nee/amp