India, Nov. 13 -- The increasing burden of school bag is causing huge inconvenience to children. On one hand, the burden of education on children increased, and the scope of practical knowledge available to them in schools continued to decline. As a result of this it affects the physical and mental development of children. Burden of bags was less on children about five decades back. For example there was one book for the first grade and two for the second and three books for the third grade. Moreover, questions are based according to each class level. There were questions like Maths, profit, loss, interest and equation, but today children are deprived of practical curriculum knowledge and education. This is causing double damage to childr...