This can be due to reduced blood flow in lower limbs or some nerve involvement You need to consult a neurosurgeon for Clinical evaluation

Pin and needle sensation in hands and feets is the most common clinical manifestation of iron deficiency. Since your age is just 18 years old, I am quite sure that you possess iron deficiency. Take Tab. Orofer-XT 1tab once daily for 1month, Tab. Shelcal-HD 1tab once daily for 1month. other possibilities still remain. If you have familial history of diabetes mellitus Type 2 related to your father or grand parents or 1st degree relatives, than you should check for blood for fasting blood glucose and PPBS(2hrs). you may also check for blood for Ferritin, TIBC. Hb%, PCV,MCV,MCHC to assess level of iron deficiency in your body. take 1glass of Glucon -D daily for 2-3wks,if you do not possess Juvenile Diabetes. Glucose helps absorption of iron in intestine. Review with reports.

Hi there...vitamin d deficiency is very common among Indians. But it doesn't cause any tingling sensations or dryness. But vitamin b12 deficiency can cause neuropathy, that is, tingling sensations. But there are also various other diseases like diabetes, nerve injuries or compressions which can cause such symptoms. it will have to be looked at. So kindly consult a neurologist for further evaluation. You might be started in nerve vitamins like mecobalamin, pregabalin or gabalentin