1. why kidnap ansh?
To trap aarti because she knows about paridi's usse raat secret.
2. Why yash-aarti divorce?
Then aarti will be eliminated fully from yash and sindia parivar for ever..
3. What is the motive of the kidnap?
After looking at the consequence, that happen to aarti upon her divorce lie..paridi is scared of hell. If her uss raat lie out of the bag, then the only punishment is divorce with praetik..so to play safe she is trying to separate yash from aarti and keep her her lie as secret for ever.
4. What makes me to think paridi is the kidnapper?
Her expression in today's episode.very calm..no sadness..no happiness..just on mission type expression.Next thing, the person beside aakash that passing written message is a female...I ll be not surprise if paridi mama is behind all this...