Complex sentence: Prasanna, who got a good break with Duet Movies and director Radha Mohan's Azhagiya Theeye, refused to play the role of Viji, which was later taken up by Prakash Raj himself.
Split into simpler sentences: Prasanna, who got a big break with Duet Movies and director Radha Mohan's Azhagiya Theeye, was approached to play the role of Viji, but refused. The role was later taken up by Prakash Raj himself.