Maintaining good bone health is prime for a healthy life. With the setting of the winter season especially in cities like Delhi which has more pollution and little scope for sun rays to make its way through natural vitamin D is hard to come by. Vitamin D synthesis in the body is reduced to a bare minimum because the quality of sun exposure is reduced. Dr. Vishwadeep Sharma Senior consultant Arthroscopy & Sports injuries Dept of Orthopaedics at Fortis Flt. Lt. Rajan Dhall Hospital sheds light on the subject. Broadly speaking about 20 percent of the body especially arms and