Original: After the war, whilst working, he completed his secondary education through self-study, and entered the University of Malaya (then in Singapore) where he graduated in 1954 with a Diploma in Social Studies (Distinction).
Simplified: After the war, while working, he completed his secondary education through self-study, and entered the University of Malaya (then in Singapore) where he graduated in 1954 with a Diploma in Social Studies (Distinction).