Lots of protein, carbo and less fat to consume

Gud morning it helps a lot but u need to follow it in a proper way as well as try to have a healthy balanced diet n make certain changes in your lifestyle routine like proper sleep of 6-7hrs in night,reduce stress if u have any by exercising daily n drink enough of water.

Meditation is helpful, but I would not set false expectations that it might contribute to gain height..atleast I am not aware. Height is predominantly hereditary, and a reflection of the dominant gene. Secondly it also is a reflection of excercise s and muscle stretching ones at that. At 20 , you can try, but 95 percent of growth is completed by 18. But still you can try. Eat good food!