What is the next step if the police didn't take any action against my

Wife & mother in law of Addl. Com. IT forged signature on fake GPA & transferred our property in 2020 lockdown & attempted to murder us. by forcefully trying to lock us in heavily infected 25 kms away unnamed isolated covid treatment center, using police filing false rape case on disabled husband aged 72. Police filed B report. In 2022, another attempt by a murder accused. Police refuse to register case. No arrest till date. No advocate allowed to represent us. Wife says IRS above IPS & she has immunity against murder as IRS wife. Unable to bear physical abuse, Police protecting this IRS family. Need help.