Intensity of a case of false evidence u/ 192- 193 Indian Penal Code

A year back, my wife registered a police complaint on me stating that I sent her threatening messages and that I was going to upload her pics, videos, etc. The police personnel initially abused me, ill-treated me, was about to arrest me. After some proper investigation they realized that the complaint was outright lie and then the police personnel, after giving her some advice, just closed the case as if nothing happened. I am 31 years old now and she is 25. It has been more than a year since she left me after a month of unconsummated marriage. Her family is demanding 7lakh for divorce as they know that I am getting older. I am wondering what would happen if I registered a complaint on her family members now on false/fabricated evidence IPC-192/193 How strong the case can be? Will the police personnel again ignore my complaint as if nothing happened?