Hii There,

Yes, Hindi medium students can join the National Defence Academy (NDA). The NDA entrance exam is conducted by the Union Public Service Commission (UPSC), and candidates can choose to write the exam in either Hindi or English. The exam includes papers on Mathematics and General Ability, and candidates can choose the language in which they are most comfortable.

To join NDA, candidates must also meet other eligibility criteria related to age, nationality, and physical fitness. It's important to thoroughly review the official NDA notification and guidelines provided by the UPSC to ensure you meet all the requirements before applying.

Eligibility criteria of NDA:

https://competition.careers360.com/articles/nda-eligibility-criteria

Thanks