Regarding divorce

Hi. I am a woman and these days suffering mentally and emotionally because of my husband.i m married since 2005 it was a love marriage but before marriage we never been into physical relationship after my marriage I got to know he is not into me like having relationships once in a month or twice since beginning and started fighting over small things like throwing food ,saying brutal words ,I have found viagra pills in his pocket even when we were not into physical terms for past 15 days at that time.. slowly I got to know his mother and father are also not in good terms of relationship as his mother also having affair outside and all knows about it in the family ..they also fought on daily basis..but I had two young sister so I decided to keep quite and living life just like that with minimum contact like physical but still he was very rude as he harmed himself once by hitting the glass window and that put his life in danger it took a year to heal from that wounds meanwhile he was very good to another girls ..now I got to know he took loans using my online IDs and phone without even asking my permission and concent ...when I go through my cibil I got to know he is doing this from past ten years but I came to know when I start getting calls and sms through bank..I was devastated and shattered completely..he said he took the loan and he is paying but doesn't want to tell where he spent them all as he is also under debt ...he is earning 1.5 lacs per month ..I have never asked where he is spending them ..and one day again I have seen him deleted one of his colleague msg ..I was asking why he was deleting them while she was working with him past 4 years...I asked him for genuine reason but his aggressive nature always create huge problem..he said jo bhi kro I want shanti in my home ..it's been 15 years I m handling but that day I was broken as he asked my son to through me out from home ...and now when I talk to someone he blames on me stating how could you talk someone ..while he never comes to me phisically it's like sometimes the gap is upto one year as well that we were meet physically...and suddenly he was asking me for divorce.. mutual or consented...he never gave me money for my personal use ..still I chose to live with him for my kids ..now they both grown up and can handle them self so he want me to divorce him while I have sufficient proofs of his torture or harrasment...I dnt know what to do as I m a house wife and I chose to be taking care of house and he will take care finance but if I started from marriage he was never there..plz guide what should I do