Indian Railways — theft of my mobile charger

Dear sir,
Myself vikash kumar travelling in train
Pnr-[protected]
Trn:58013
Dt:[protected]
Frm hwh to bksc
Cls:sl
P1-rc, s9, 39
Charger being theft by copassenger k agarwaal who is sharing rac seat with me in same train.
His full detail is following
K agarwaal m38 pnr [protected].
I think railway will take stern step and they can track this person and put my charger back.
I will be thankful to you for this
Thanking you
Vikash kumar