Let's face the truth'!!'

I know many of you are not ready to believe the culprit is mihir but the fact is his the only one who raman might get shocked .

Becoz Shagun seems to support her brother but the worst to
Come is why did mihir do this ?
Well the question is why did he do this to take revenge or he wants Shagun Nd raman to become that's the only thing confusing me now. Otherwise it's none other than mihrab himself.
Maybe ishita will know first