Karthika Nair might have failed to live up to the expectations as an actress but she had a great academic career. This dusky babe is now Graduate of a prestigious university. "Officially a graduate from the University of London.. bestowed by the princess of England.. #Proud #success #Honour," an excited Karthika shares.On the professional front, Neither Karthika nor Thulasi managed to attain the success or stature of their mother Radha. While Karthika's debut movie 'Josh' bombed, Thulasi's maiden flick 'Kadali' ended as a big disaster. KV Anand's 'Rangam' is the only success in Karthika's career.