These solutions explain the previously studied concepts more broadly and comprehensively. The questions given in the NCERT book helps students strengthen their previously studied fundamental concepts. This chapter 18 of class 5 is about Jatrya who had to leave their place even though they didn’t want to because a dam was going to be built on the river and the village on the banks had to be removed and Khedi was one of them. The kinds of difficulties people have to face where a dam is being built.