Error in calculation Vinu won the ' Derana Veet Miss Sri Lanka for Miss World 2012 ' title at the official event held on 31 March 2012 at Blue Water , Wadduwa . On that day Sumudu Prasadini was chosen as the 1st runner - up of the beauty pageant . However , it was later revealed that a calculation error had occurred and on 4 April 2012 , Sumudu Prasadini was crowned the winner of the pageant at a ceremony held at Galle Face Hotel , Colombo . It was concluded that both , Vinu and Sumudu would share the main title and that Sumudu would represent Sri Lanka at the Miss World 2012 pageant held in China in August 18 , 2012
Miss World 2012
Miss World 2012
Vinu Udani Siriwardhana