1. Don't withdraw RCR, cause it will be a wrong step. Judge won't see it in good light.
2. Say that you are ready to pay one time alimony till 3 lacs.. Then after a long negotiation bump upto 5 lacs... First rule of negotiation "never open all your cards"..
3. File for a mutual divorce and in which give her a one time settlement of rs. 5lacs (after negotiation)
4. If she is not ready to file for a Divorce then wait for some time and then file a Domestic Violence case (from your mother's side in Bangalore)...
5. File a complaint in the police stating that she has been blackmailing you for money.. And has files frivolous law suits to extract money out of out...
6. And if she is the one who left you... There is a SC verdict that wife who leaves her husband on her will and wish is not entitled to any maintainence...
Go for a good lawyer... Spend some money and get yourself out of this which you have a chance...