Place of Sun in lagna Kundali signifies  position, status , personality, relation & support from father and higher authorities. If sun is not posited in good  position or debilitated it will give opposite results. Moreover badly positioned sun can also affect health, headache, problem related to eyes, fever are few of them. In above such cases where Sun is giving Negative result , The Vedic Surya  Shanti Anushthan is the most effective way to reduce its effect.