The correct option is 1 and 2 only because Vitamin C deficiency leads to scurvy, characterized by symptoms such as bleeding gums and weakness, while Vitamin D deficiency results in rickets, causing bone malformation and weakness in children due to impaired calcium metabolism. In contrast, vitamin E deficiency is mistakenly paired with night blindness; instead, night blindness is typically associated with a deficiency of Vitamin A. Understanding these correct associations is essential for grasping nutritional science in public health, a common topic in UPSC examinations.