Dear aspirant !!

Hope you are doing great !! You will get the sufficient number of attempts to crack the exam . Please focus on your preparation and work hard . You need to 1 attempt to qualify the exam ,you know very well what I mean . So don't think about these things .

Eligibility of CDS exam is graduation . The minimum educational eligibility for apperaing for CDSE is Graduation. If you are 12th passed, and have age between 16.5yrs -19.5 yrs then you can go for NDA examination , to join defence forces as an officer.

For more information about cds ,visit the link ;-

https://www.google.com/url?sa=t&source=web&rct=j&url=https://competition.careers360.com/exams/cds/amp&ved=2ahUKEwji4vy3nbf4AhXexjgGHdX4DKcQFnoECBcQAQ&usg=AOvVaw16i9wNpQnvfE44GboBuQA7 .

Hope it helps you !

Thanks