Kindly visit your Doctor and get yourself evaluated for your height, weight and age appropriate growth parameters and developmental changes. If these are within normal limits, then nothing to worry. If not, than further tests and opinions may be required.

Hello. Height of the individual is determined by parents height. Taller parents have talked kids and vice a versa. Height is also affected by nutritional status of individual. Proteins are very much essential for growth. So for increasing height u can increase protein intake by consuming eggs, pulses. Do exercise regularly. Have a nutritious diet rich in protein and calcium.