Why was narrator invited to rangappa's house?
The narrator was invited to Rangappa's house because he was the person who made Ratna and Ranga together and gave Ranga a suitable wife or a good partner. Ranga put his son's name as "Shyama", name of the narrator and invited him for his(Ranga's) son's birthday. Ranga honoured the narrator.
Hope this answer was useful...!
Hope this answer was useful...!