Hello,

The age limit to appear for Combined Defence Service (CDS) Entrance Examination to join in Officers Training Academy is 19 to 25 years. Considering the age criteria you can appear for CDS till 2025. In the year 2025 will be your last attempt to appear for CDS to join in OTA. You can appear for CDS if you are appearing or passed in Bachelor's Degree in any discipline from a recognized board. You haven't mentioned if you have passed in Bachelor's Degree yet or not so we cannot count the number of attempts you would have. But as said your last attempt will in 2025 as you will turn 25 years in 2025.