grow tall

Height depends a lot on heredity. If both the parents r short-heighted, then there is 100% chance that their children will be short-heighted too , even if one of the parents is short then still there r some chances for the children to have a short height but not necessarily. Then it depends a lot on the diet n physical activity. Whatever is the reason, one should not lose hope.
exercise daily or engage in some kind of physical activity like jogging, playing cricket, football, throw ball etc whatever he likes, hanging himself from any support etc. Do stretching exercises. Indulge in hyperactivities such as fast cycling and swimming to tone up the muscles. This will facilitate raising your height.

 

Hanging
Upside down hanging works wonders to lengthen not only your back, but also your legs. manage to get a good position and strap your legs good enough to hang vertically,. . Don't hang longer than 20 minutes at a time as that may damage your back.

Swim More Often
. The free motion of swimming is very light on your body and greatly releases stress, which can prevent your body from growing. Try to swim as much as possible, 3 times a week is optimal.

Keep your diet balanced with lots of milk, cheese, fish, chicken, vegetables especially green leafy ones, fresh fruits, nuts, cereals n pulses (daals) etc.
Eat saagoodaana kheer in breakfast.
Drink 1 tsp of a syrup containing lysine (Lysovit) twice a day.
Drink warm milk with a pinch of haldi at bedtime.

Eat diet rich in vitamins, calcium, fibers and proteins. Get your diet plan framed by a qualified dietician or nutritionist.
Half kg pumpkin (kaddoo) or laukee boiled n mashed. Add 2 tsp honey n a piece of misree. Eat in breakfast daily.
Eat saagoodaana ka dalya with a few drops of kewra n a piece of chaandi ka warq in breakfast daily.