The essence of marriage is a sharing of common life, a sharing of all the happiness that life has to offer and all the misery that has to be faced in life, an experience of the joy that comes from enjoying, in common, things of the matter and of the spirit and from showering love and affection on one's offspring. Living together is a symbol of such sharing in all its aspects.
Divorce allows a person to break free from an onerous marital relationship. But since marriage is not merely a contract but a very important societal institution. India is a land of varied religious communities having their own marriage laws, the divorce procedure too varies, according to the community of the couple seeking divorce.
Due to various reasons in this country it is becoming more and more difficult for disgruntled couples to live together, on the ground of in compatability. The need for separation, where the parties to the marriage cannot live together, has been recognised to a certain extent in Section 13-B whereby the right to apply for divorce by mutual consent has been conferred by the Act. From your query itself seems that your married life is 'Irretrievable Breakdown and she is not come back to your home.The Supreme Court came to the conclusion that on a consideration of the various aspects of the case it was clear that the marriage was dead both emotionally and practically and there was no chance at all of its revival and continuation of such a relationship would only be for name's sake.
So file a divorce under the ground of cruelty before family court with out delay. After that you can get an idea that she will come and stay with you or else get a decree of divorce.