As you want to join Indian Navy through Sailor Entry and for the same here looking for require Medical Standards, so here is require info for you:

Applicants should possess good mental and physical health, should be free from any disease / disability and have no cardio vascular disease, surgical deformities like Knock-Knees, Flat-Foot. Candidate should not have a past history of fits or psychiatric ailments Vericose-vein etc. He should not have any type of infection in the ears. Candidates are advised to get their ears cleaned for wax and tartar removed from teeth before appearing for the written test followed by PFT and Medical examination.

Visual Standards for Sailor Entry
Type of Entry Without glasses With glasses
Better Eye Worse Eye Better Eye Worse Eye
AA 6/12 6/12 6/9 6/12
SSR 6/6 6/9 6/6 6/6
MR COOK & STEWARDS 6/36 6/36 6/9 6/12
MR MUSICIANS 6/60 6/60 6/9 6/24
NMRs 6/60 6/60 6/9 6/24

Height And Weight Standards ; Male ( Weight IN Kilograms) Age IN Years

Age/Height 15 16 18 20 22 24 26 28 30 32 34 36 38 40
152 43 44 45 46 47 48 48 49 49 50 50 50 51 51
155 44 45 46 47 49 50 50 51 51 52 52 52 53 53
157 45 46 47 49 50 51 51 52 53 53 53 54 54 55
160 46 47 48 50 51 52 53 53 54 54 56 56 56 57
162 47 48 50 52 53 54 54 55 55 56 56 57 57 58
165 48 50 52 53 55 56 56 57 57 58 58 58 59 59
168 50 51 53 55 57 58 58 58 59 59 60 60 61 61
170 52 53 55 57 58 59 60 60 61 61 62 62 62 63
173 54 55 57 59 60 61 62 62 62 63 64 64 65 65
175 56 57 59 61 62 62 63 64 65 64 66 67 67 67
178 58 59 61 62 63 64 65 66 67 67 68 69 69 70
180 60 61 62 64 65 66 67 68 69 70 71 71 72 72
183 62 63 65 67 67 68 70 71 72 72 73 74 75 75
185 66 67 69 70 71 72 73 74 75 76 77 77 78
188 68 70 71 72 74 75 76 77 78 79 80 81 81
190 70 72 73 74 76 78 79 80 81 82 82 83 84
193 72 74 76 77 78 80 81 82 83 84 85 86 87
195 75 77 78 79 81 82 83 85 86 87 88 89 90