Hi Thank you for asking HCM I have gone through your query.You can do stretching exercises like ring exercise.Jogging and swimming is also helpful also.These all increases your growth hormones and stimulus for elongation.Take food with good protein and vitamins.Eggs milk products chicken and meat are good source of proteins.Take enough water also.Avoid stressful life.Avoid weight exercises also till you acquire your desired height.After 21 years your fast elongation growth will stop but will be possible till 25.Hope this may help you. Let me know if you have any further query.