The Combined Defence Services is the gateway to two examinations, Officer Training Academy (OTA) and Indian Military Academy (IMA). It attracts the youth from across the country. It is not easy to crack CDS but it is not even impossible. The students need to work very hard if they wish to get into one of these (top defence academy in dehradun.)training academies and serve the country. To make it up to these academies, students from across the country prefer to take coaching as coaching can help them in learning those aspects which otherwise they would have missed. But, not all the coaching centres give the best CDS coaching academy in dehradun. Here are the reasons why you should Prepare CDS exam with Global Defence Academy (Best defence coaching center in dehradun).