University of Cambridge
Cambridge IGCSE is the world's most popular international qualification for 14 to 16 year olds. It is taught by over 3700 schools worldwide including 1300 in the UK.University of Cambridge

Rishikesh Reddy Kayathi, a student of Oakridge International School, Hyderabad, has made India proud by winning the title of 'World Topper in Mathematics' in the Grade X International General Certificate of Secondary Education (IGCSE) examination, conducted by Cambridge University.

The University had announced the exam results earlier in August but came out with the names of the world toppers only on Thursday.

Three Class X students of a private school in Bangalore have secured the top rank in three different subjects in the IGCSE exam, conducted in June 2014, The Hindu reported. The students are from Indus International School, Bangalore. While Ami Mehta has secured the first rank in English, Uma Shekhawat topped in Entrepreneurship and Mahesh Bhide has stood first in Chemistry. They are students of Indus International School.

Rishikesh has scored a 100 per cent in mathematics examination, which was conducted in May, 2013-14. His school principal Jyothi Reddy said: "It is the result of commitment and aspiration of the student and focused action plan of our teachers that helped him excel," The Hans India quoted.

Another Mathematics topper Anant Kandoi of Jamnabai Narsee School in Mumbai said: "I was always interested in mathematics but I also put in a lot of practice. I dedicated about half an hour of my study time to the subject every day."

According to The Times of India, 31 Indian students have topped in the world in the Cambridge International Examinations (CIE) series. Of the 31 world toppers from India, 16 are from Mumbai studying in various elite schools.

The 31 world toppers and 84 national toppers will be felicitated by CIE CEO Michael O'Sullivan on September 15.

CIE said that half of the world toppers got the award for their performance in mathematics.