You do not worry or do not feel inferiority complex
,height might has genetic entity too so up to some extent it is not in your hand,
Your ht will definitely increased, upto 20 years you your ht will increase.so now onward you start your plan.remember following,
Do hi jump,running,swimming,jogging,climbing and cycling very regularly.
Use cycle a bit more of height than your proper size.
take high protein diet containing more pulses,cereals,more milk,dry fruits.
O k and bye.