Hi Mohit,

As per the CDS latest eligibility criteria applicant must be between 19 to 24 years to be eligible for CDS.

As you are born on 18 August 2000 and you will be of 23 years in 2023 so you will be eligible for CDS ranging from Indian Military Academy, Indian Naval Academy, Air Force Academy, Officers' Training Academy (Men).

Refer here for more info - CDS Eligibility Criteria 2021 – Check CDS Age Limit, Qualification, Nationality (careers360.com)

Feel free to ask doubts in the Comment Section.

I hope this information helps you.

Good Luck!