In order to eligible for NDA, The candidate must be in good physical and mental health and free from any disease/disability which is likely to interfere with the efficient performance of Military duties.

The minimum acceptable height is 157 cm for Army, Navy and Naval Academy while 162.5 cm for Air Force.
For Gorkhas and individuals belonging to hills of North-Eastern the minimum acceptable heights will be 5 cm less. For more detail required physical standards candidates are advised to read the NDA notification.

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

Good Luck!