Not seperated legally but staying with another woman in my house

I am an indian married to a mauritian..who married me only for household work and take care of him when he is old who has betrayed me..mentally tortured me..there is a lot more to this due to which my health was affected..i was not taken to the doctor cause of his Mental tourture n stress my health was giving up..taking advantage of this he mentally tortured me to this extent that i had to leave my hm for my peace and my treatment in india...he did not stop me..i was in a bad state he did not call me for months he later called me to cm hm..i did tell him i was under doctors medication n supervision will be operated any time..he gave me false hope that he will cm to india..i waa not giving money for my expense n medication..in this state i had to take up a job..whilst asking me to cm hm..back in mauritus he was already having affairs he had the audacity to send me pics of the women in my house .he also told i hv closed my way to hm as has changed the door..i had a surgery comming up..this was a result of all the stress i had been through..he took the advantage of my love trust that what ever may come he wont leave me.i was taking all on me..i had to take up a job to take care of my expenses and medical expenses..he would emtionally blackmail me..he wanted to move on..i was no where.. I was taking all the suffering my self..as my health became worst he stopped contacting me and changed his number as well as that was the only mean of contact.he followed the policy where if there is no contact between husband and wife.they are automatically divorced..no need of court lawyers alimony house ..as this is not the first time where he tried to get rid of me this way..he is staying with a woman in my house which he says i have no right over it..after been legally married to him..he used his tricks to get rid of me and made a fool of me..it has always managed to use this way of separation it has managed to stay separated for nearly seven years..i was innocent..i have no ones support..this is well known to him..as a woman i feel cheated betrayed insulted and made me feel useless ..plz help is there any law which can do justice or i will be questioned why did i tk so long for legal advice.