Hello,

If you intend to appear for CDS then you can do so in the final year of engineering, for IMA candidates need to pass graduation in any discipline from a recognized university, for age limit to be between 19 to 24 years along with unmarried status, in case of Indian Naval Academy candidates need to pass bachelor's degree in engineering from any recognized university, Age limit to be between 19 to 24 years along with unmarried status. explore more detailed information regarding this at https://competition.careers360.com/articles/cds-eligibility-criteria,

Then there is AFCAT which is conducted for flying branch and ground duty non-technical, the eligibility criteria obviously differs in former case candidates need to pass 10+2 from a recognized board with mathematics and physics securing 60% aggregate and passed bachelor's degree in engineering from a recognized university, the latter pertains to various domains such as administration for which candidates passed bachelor's degree of three years duration from any stream with 60% aggregate from a recognized university, or cleared section A and B examination of Associate Membership of Institution of Engineers (India)/ Aeronautical Society of India from a recognized university with 60% aggregate, in case of accounts BCom graduate from a recognized university  with 60% aggregate are eligible to apply.you can check out the full information at https://competition.careers360.com/exams/iaf-afcat

There is also INET for which you need to complete BTEch from a recognized university with 60% aggregate for the post of SSC NAIC/Engineering Branch, for Pilot(MR or others)/Observer candidates need to have 60% aggregate at 10 and 12th standard, and 60% marks in English.