Mental harrasment

Hello sir, i got married in 2014..after 2 months my in laws harass me for dowry...my MIL always taunt me for dowry....as i belong from a rich family..my father spend 55 lakhs for my marriage..we gve a HONDA AMAZE CAR and DIAMOND JEWELLRY and other valuable items for my husband n his family....at first they demand 70 lakhs as my husband wants to do some business.......i denied to bring any amount from my parents...after that they use to beat me..after 5 months they again demand 50 lakhs..and this time(8aug2015) my husband drop me at my parents home...n told me to bring 50lakh so than he will accept me as his wife...after 3 months i went to my in laws house without any money..they abuse me in front of their neighbour....In dec2015 my SIL's marriage fixed this time they again told me to bring 20lakhs for her marriage..and on 1feb 2016 my husbnd beat me n drop me at my parents home...my SIL got married in feb..they told me not to come to marriage without..from feb 2016 i'm at my parents home.now he filed for divorce....he's having a affair and now he is living with that girl..he used to go hookah bar with her..i have photo of his with his girlfriend plus i have his bank n credit card statement...plus i have eye witness. pleasesuggest me what should i do...i dont want a divorce...