The 25-year-old IT specialist hails from Madhya Pradesh and has been working for a leading bank here on contract basis for over 18 months.
Apart from fairing the best in other segments of the contest, Addepalli also performed a dance number, which received rave reviews from the jury panel.
"Dance is my passion and because we were only allowed a maximum of three minutes, I chose three segments to represent different parts of my life. I was born and brought up in a family where all the emotions are very smooth and gentle.
Addepalli said she entered the pageant after her friends challenged her and went on to beat eight other locals to get a shot at the international Miss India Worldwide title, where winners from other provinces of South Africa will vie for the opportunity to represent the country.
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Farook Khan, who started the Miss India South Africa Pageant 27 years ago, said it was the second time in the history that an India-born entrant had won the title.
"We have always believed that the pageant should be open to anyone who subscribes to the ethos of our unique Indian culture, irrespective of origin," Khan said.