The action taken by you appears to be a right decision. Since she is your legally wedded wife till this date it becomes your responsibility provide her accommodation, take care of her daily needs, maintain her by paying maintenance amount or providing the items necessary for living, etc. Further this separation will be helpful for you if you intend to file divorce case against her on the grounds of separation and non cohabitation for a period of more than two years, if a necessity arises in future.
Therefore the circumstances are in your favor.