Santhosh Kumar scored 82 % in his 10th std. He studied at Tamil medium in the Corporation Boys School Nungambakkam & stood first in his school. In 12th std, he scored 69%. His father works as a night watchman at a hospital. His mother is a housewife and he has 3 siblings. He had won prizes for participating in the elocution. The child selection committee was very impressed by him. He completed his BE at Thangavelu Engineering college.