Wife left newly maried

I am newly married it was love marr may 10 2017 i was married we loved 3years and married i maintained relationship before marr 5 times we were happy i helped her father wn i was in overseas financially but after marriage my wife refusing for sex and telling not having feelings of sex she left house on Oct 14 2017 dt she is gng to medical check her parents took away she is working women i tried calling her so many times but her parents denied to give phone but once they gave she asked me divorce i recorded dt and her dad speaking abusing language i sent notice to come back but I didn't got any reply i want divorce but how can I get i have evidence of voice conversation and text mess and watsup also wn she was with me she don't have feelings of sex .But now they r not responding for any act and in return they r thinking to get false dowry case no dowry taken marriage was done by me i spent 4 lakhs for marr how can I get divorce and how much time does it take to free my self pls help me out