Question

ehat are the sings to show the person have super natural power

Answer 1

there are no as such signs which can reveal that some organism has super natural powers. Although science and technology are studying upon this sector to have greater knowledge of things in the nature.

Answer 2

there are no signs to see whether a person has supernatural powers or not

some of them may don't know that they have super powers

some of them tried to hide it from society

the one who tells about this are used as weapons or for other purposes