False rape and dowry case

I met a girl in 2010 when she was 17 years old and got married to her in 2015 when she became adult,she wanted to marry me and was emotionally blackmailing me as I didn't wanted to marry her coz she was going around with other guys as well,she is a soft tennis player and after marriage became an international player,everything was good till 2016 but by the end of the year we started fighting a much lot because of her extra marital affairs so she intoxicated me and made 2 sex videos and clicked bulk of pics and started blackmailing me with them,she took alot of money from me and warned me not to file a divorce but by August 2017 she turned up and said to leave me without mentioning about the marriage to any1 and then when I told her father about everything with proof he denied and warned me of 376 and 498a I went to police and gave an application for mediation but they didnt turned up to police and on the contrary filed a case against me under section 328,376,504,506,419,420,67IT,398a and now threatening to file 307,my lawyers asked police about my complain but they are speechless now 4 months have passed and my case is on and nothing have happened to me,I have given bulk of voice recordings videos photos letters documents and all to police and the girl has just given her statement,they are demanding 10 lakh rupees and divorce but I denied both,crime branch is investigating technical aspects and till now found nothing infact after 4 months no medical and 164 statement has been done,police says they know that I have done nothing but I have to go to jail else I compromise but I denied,what can I do in this case its so impatient since 4 months..