hi rana,welcome to HCM..
The age limit to grow height for boys is around 21 yrs of age so remember you can still grow few inches but you need to take a balanced diet along with proper exercises like running, yoga
too. Take a good sleep for about 6 to 8 hrs IN NIGHT as necessary growth hormones are produce in body during early phase of deep sleep. consult dietician in mean while.
Your dietician prepares a proper diet plan
for you after considering various factors like – age, weight, height, your tastes, nature of your work, etc. If you regularly follow the diet plan in accordance with the instructions given by the dietician it helps not only in increasing your height but also in improving your general health.