lagna swathi, rahu in Mula nakshatra and ketu in Aridra nakshatra, 9th lord Mercury with Venus in Uttara bhadrapada nakshatra. There is nakshatra parivarthana between rahu and ketu, but still Rahu is giving 3rd house results and ketu is giving detached feeling with father and bad relationship with father. Why did the parivarthana did not work here?