Indian Railways — Theft of brief case containing original school & +2 cbse certificates & dress material around 4o, ooo/-

Dear Railway Authority,
On dated 7.9.16 my wife was travelling in Train No.12146, coach S2 & berth no.26 & PNR No.[protected] from Dhenkanal to Nagpur.Train time at Dhenkanal was 00.45hrs, but it was late around 3hrs. During Dhenkanal & Sambalpur her brief has been stolen.There was no ornaments, but valuable original CBSE 10 th board & 12th board certificates were in brief case along with about Rs.40000/-valuable dress materials.TTE did not taken the case/even if not file FIR.Finally with help of Sambal pur railway zone Adhikari Mr.D.Sahoo FIR has been lodged.
Now i am worried how to recover original certifices which are very important for my son's carrier.Please help me .Child name:Shashwat Parida, C/O.C.K.Parida, Nob.no.[protected], [protected] & Email:[protected]@yahoo.co.in