In order to apply for the CDS exams, it is important to understand the eligibility criterias as well as the rules and regulations. As even the slightest mistake could lead you to be non-eligible for sitting in the examination.
CDS 2017 official notification
The notifications for CDS 2017 on the UPSC website are in English, and for those of you who are not that comfortable in English can visit This Website to read these notices in Hindi. You can download CDS 2017 Notification in Hindi from the link given below.
Click Here to download CDS 2017 Notification [Hindi]
But, a word of advice that in order to crack the CDS, it is important to be well versed in English. You could join a class or read English book and invest in grammar and comprehension books. You could also try watching English movies and shows that would give you the grip over the nuances of the languages.
Visit this website to understand the notifications that are provided by UPSC, understand them and apply to the CDS 2017 examination if you meet the eligibility criteria.