The maintenance is the monthly subsistence allowance given to wife , if she cannot maintain herself during separation and after the divorce.
Since your wife is earning, her claims of maintenance will not be maintainable .
our wife can file a domestic violence petition seeking a shared accommodation and right to stay in the matrimonial home, or else for a separate accommodation on rent or the rent amount.
Your wife will have no right in your property in divorce unless you both mutually agreed for it and you voluntarily give her to end the marriage.
You can file an RCR (restitution of your conjugal rights), if you wish to bring her back , but it is not that your wife follow the court order in RCR. if she does not resume her marriage for one year after the order , you can file for divorce on this ground.
To initiate a divorce proceedings under cruelty ground or any other ground you will have to complete one year of marriage .
Your wife can file a 498A and other charges of criminal complaint against you and your family, if such an instant happens move to court for anticipatory bail.
your wife cannot have any claim o your mother's property.
once the divorce is ordered a wife can file for permanent alimony that which she can asked on the basis of her husband's income , this is asked and ordered on the monthly basis and if parties prefer it they can settle it as one time payment of alimony. This also means that after the divorce a wife has to be maintained as per the living standard of her husband. If a wife is earning and capable of maintaining her standard of living like when she was with her husband , her claims of maintenance/ alimony generally defended by the other party