Hello, here I am providing you the details of the National Defence Academy Physical Fitness as under:

Candidates are advised to rectify minor defects / ailments in order to speed up finalisation of medical examination conducted at the Military Hospital after being recommended at the SSB.

Few of such commonly found defects / ailments are listed below :
Wax (Ears)
Deviated Nasal Septum
Hydrocele / Phimosis
Overweight / Underweight
Under sized Chest
Piles
Gynaecomastia
Tonsillitis
Varicocele

Tattoos:
Permanent body tattoos are only permitted on inner face of forearm i.e. from inside of elbow to the wrist and on the reverse side of palm / back (dorsal) side of hand / Permanent body tattoos on any other part of the body are not acceptable and candidates will be barred from further selection.

NDA Height / Weight Standards for Indian Army / Indian Air Force
Height in Centimetres (Without shoes) Weight in Kgs.
16-17 years 17-18 years 18-19 years
152 42.5 44 45
155 43.5 45.3 47
157 45 47 48
160 46.5 48 49
162 48 50 51
165 50 52 53
167 51 53 54
170 52.5 55 56
173 54.5 57 58
175 56 59 60
178 58 61 62
180 60 63 64.5
183 62.5 65 66.5