Need some rights my baby

Sir/Madam. I am 33 yrs man from vijayawada with HIV + staying with parents @ vijayawada, & have wife and 5Months baby which HIV -. On 23.11.2016 i was diagnosed HIV + at the same time i was informed to my wife.(At this time went to parental house for delivery) until we both live very happy life with full of love. From that day she started avoid me by phones also, not bringing my house & not showing to my parents.also. My parents are very old & bed patients, now i am only taking care of them. i begged her to come home & avoid only sex with me. She was denied for that. & I did not have any bad habits like to go sex with others, even wife also knows about me( conversation was recorded for legal references) Now, its confirm she will not come to me & family, but i need my baby to spent some time weekly 0r monthly or holidays legally. because they blocked me by phones & not directly talking with me. what right i have to get some rights on my baby like her growth & Study & Marriage. Please Suggest me what to do.