False accusation of IPC 354

My father is a senior citizen, he recently was accused by our maid of trying to physically harass her when in reality he fired her from the job. He asked her to leave the house but she refused, stating that she is not going to quit. He got upset and picked up her handbag and put it down in front of her with a little force. She left the house threatening to call the cops and in 5 minutes there were 5-6 cops from Kalkaji police station at our house. Upon talking to all involved even the police admitted that it looked like she was lying and my father was innocent of any 354 charges. Yet they claimed they cannot intervene if she wants to file an FIR. In front of police the maid admitted that she needs money to pay off a loan, the more she spoke the clearer it was that she was lying. Even a couple of police quietly told us that she is clearly lying, but they refused to take any action it. They were not at all interested in investigating or questioning her, listening to the other people vouching for my dad and stating that they have all had bad encounters with this maid. My father was pressured to hand over 1.2 lakh to the maid as 354 is non bailable offence and police said they would have no choice but to arrest him. It was clear that they are mixed up in the whole thing. We took a written & signed statement from her that she will not be filing an FIR and will not contact my father again. After this random policemen have been harassing my father, calling him as asking him for MORE money. We are a regular family, now we're struggling financially to even pay our rent and the police are harassing us. What can we do, please help us.