Pochampalli chapter 23 of the fourth class is about Pochampalli a place (Mandal) in Telangana. Most of the families here are weavers. That's why the special cloth that they weave is called Pochampalli.An extract from Pochampalli's chapter:Vani and Prasad live in a village called Mukhtapur. Their home is always filled with bundles of bright-colored threads. Their mother and father and everyone else in the family is weavers. The weaving that they do is very beautiful and special. Mukhtapur village is in the Pochampalli town (Mandal) of Telangana. Most of the families in this town are weavers. That is why the special cloth that they weave is called Pochampalli.Hence by reading the above extract from the lesson Pochampalli it is clear that Pochampalli's chapter 23 of NCERT EVS is based on "real places".