1)you have filed for divorce on grounds of mental cruelty
2) in your divorce petition i presume wife was pressurising you to leave your parents
3) wife forcing husband to stay separate from his aged parents amount to mental cruelty
4)your evidence , chat messages , audio recordings , statement of witnesses will help you prove mental cruelty
5)burden of proof is on wife to prove allegations beyond reasonable doubt
6)rely upon documentary evidence in your possession that all expenses for marriage were brone by you
7) wait for filing of charge sheet . police have to carry out investigations before filing of charge sheet