Wife Separated with 9 year old daughter.

My wife went away to live separately under influence of her unmarried brother taking away my 9 year old daughter since 3 months. I have been trying to reconcile by all means since then but my wife and my in-laws keep refusing to talk on this matter. They are also not telling me the address where my daughter and wife are living in Delhi. They have changed school's branch too and school is also not telling her address. I still have no idea if she wants to stay with me or wants divorce. After talking to school we were told that she is planning to submit an injunction to prevent me meeting my daughter. I have never physically assaulted her, Im Non-alcoholic and qualified doctor. Also she has tuned my daughter negatively against my family which I got to know when I met her in school suddenly. Please advise me the following: 1. Can she restrain me meeting my daughter by any injunction inspite of me always been kind to her ? 2. What can I do if they keep ignoring our reconciliation requests and efforts ? 3. Can school hide the info like address of my daughter in absence of any injunction ? 4. What are my chances to take custody of my daughter in case of any divorce happening which may not be mutual ? Thanks Dr. Vinay Aggarwal