In Takshila, children of Kings used to study while Nalanda was for poor and intelligent students. When the University was active the area was 10 km long and 5 km wide. At that time, There was 108 hostels and 108 subjects were taught. There were 52 ponds and 53 wells. There were also 3 huge libraries. They were: Ratnasagar, Ranthranjika and Ratnadhi Ratnasagar was of 9 storeys. And the rest two were of 6 storeys each.