What was the major reason of conflict between bim and raja

Raja is Bim's younger brother; they used to be very close to each other in their earlier years. Raja is intelligent, romantic, and has great passion for Urdu poetry. He hero-worships Hyder Ali, their Muslim neighbor and landlord. He is arrogant, irresponsible, ambitious, and occasionally insensitive. This causes friction with Bim.

Central theme of clear light if the day