Devu and survival task of a reality show

Devu and his friend Amit got selected in a random television reality show. One of the task in the show was really interesting. The task was called "the survival" task. In the task, each person has to vote two person's names. One should not vote a single person twice. Also he/ she should not vote himself/ herself. After the voting, all the person having votes equal to highest and lowest votes are k