Indian Railways — complaining about

Address:

Anuppur, Madhya Pradesh, 484330

My wife with her father and mother were travelling on 13/10/2019 in sleeper coach by chirmiri - rewa train form shahdol to rewa. At between 11.00 to 11.15 pm on the same date a unknown person looted gold chain worn by wife. At katni main station after this happening she with his father tried to complain and register the fir police help center but they misguided saying to file fir online, but from online contact again they ahd been suggested to complain at railway station from where thy started their journey.
With geat hope again my wife and i myself tried to make a complain at rewa station terminal station of the train we travelled. On 15/10/2019. Again police staff rejected to help. With great hope for immidiate and positive action i am asking for help giving following details -

Train number - 51754
Berth no. - s3/03
Name of client - smt. Samvedana gupta
Date of incident - 13/10/2019