Question

what is difference between regular and irregular reflection write its uses in daily life

Answer 1

regular reflection_when you see a mirror to see your face.

Answer 2

When the reflecting surface has no irregularities and is a highly polished surface then the reflection is called regular reflection .
When the reflecting surface has some minor irregularities then the reflection is called irregular reflection.
A mirror reflection is a perfect example of regular reflection.
Reflection from the walls of your room is an example of irregular reflection.