Adultery காதலும் அது தந்த பரிசும்( துக்கமும் ,சந்தோஷமும்)- நிறைவுற்றது

[Gandhi krishna]

Innorutharudaiya kulanthainu therinche avarkaludaiya kulanthaiyaka valarpathe mikaperiya thandanaithan nanba.. 

So apadiye irunthu vittu pokattum.

I disagree. 

it is born to Divya. So she will feel it as her baby. 
The punishment is only for Darshan. If they lose the baby, they will know the pain. 
She  cannot give birth to another with Darshan. Darshan will feel bad for cheating 3 women.