Legal help against sympathy seeker

A man named x took money from my mother in 2012 approximately 65000 rs. Instead of returning he sent a notice in name of my mother and my father is a central government employee, my mother filed a case of recovery against him as she had his cheques with her. The case is still going on in the meantime x got cancer and his family also left him. In last hearing judge asked him that are you going to give money or not he said i will. Then he didn't not came to court in next hearing in meantime he drafted a fake complaint against my father that he is running a illegal business of money lending and all. Putting name of few of his knowns. When in hearing our lawyer complaint of this to judge he said that it's not me madam. Now he is using his cancer against my father, he directly visits to his superiors and cry in front of them, has filled a complaint in mha now my father's superior are pressing on him to reach on a compromise with him. But we concern that what is the surety that he will stop behaving like this or what legal course can my father follow being a central government employee. He. has no evidence against my father except his own allegations and his know few. He directly meet officers on wheel chair and cry in front of them for help the man has no family he just stays with her mother,please enlight us with your knowledge...