My wife passed away eight months ago. Her family was present during her cremation rituals and seemed to accept the situation. However, they haven't performed any post-death ceremonies. Now, after eight months, my father-in-law has filed a police complaint

My wife passed away eight months ago. Her family was present during her cremation rituals and seemed to accept the situation. However, they haven’t performed any post-death ceremonies. Now, after eight months, my father-in-law has filed a police complaint against me and my family, accusing us of dowry demands, mental harassment, and abetment to suicide (IPC 306, 498A, and 114). My marriage lasted for 10 years, and we have two children, a 10-year-old son and a 9-year-old daughter, who live with me. What should I do? Please advise me.