Why is Heer mum abt her identity?

I dont understand one thing..y on earth is Heer watching all this quitely...?😕y cant she confess to lalit that she is his bst frnds daughter?

doesnt it struck through her brain abt y DJ is lieing lallu n gaya3 abt them...

n y doesnt it bother meher that ...y she is being called Ranu.....😕

Does Heer know...that prem doesnt know that she is THE REAL HEER..(bachpan ke jeevansaathi😳)

Who is going to reveal the truth?

wat is happening..........am i going mad?😕😆