1) you are at liberty o seek phone consulttation with any lawyer from kaanoon.com
2) you are at liberty to with draw RCR and file divorce petition . not necessary to mention any reasons for with drawal of the petition
3) you can file for divorce on grounds of mental cruelty as your wife has filed false complaints against you . there is no negative impact . wife can only seek interim maintenance and alimony
4) you can file police complaint against your wife for defamation under section 500 of IPC
5) your mother and sister in law can file police complaint against your wife if she harasses them
6) you can also file civil suit for damages against wife for mailnging your reputation