Some stories are so familiar to everyone that no one cares about them. Infact, they become so ordinary for others that they have value for only who have lived them.
"Tadap" is a collection of such feelings which have lived in the hearts of many but couldn't ever come out.
The poet has poured the deepest pain of one's heart out there to be seen by everyone. He has shown how one becomes extremely vulnerable to one's desire for someone who doesn't ever reciprocate them.