GoAir — lost my 2 tb hard-disk from my baggage.

Website:

www.goair.in

I am ashwani thapa.
My flight was from Bangalore to Patna on 1st March 2018 (Go Air G8-272).
When i reached Patna and was on conveyor belt to receive my baggage. But i was informed that as i had power bank in my baggage so it was still in bangalore.

They made me sign some papers for permission to open my baggage and take the power bank out. and informed me that my baggage will arrive next day and i can receive it from the airport.

Next day i was informed that my baggage has come to patna airport and i can receive it.

I came home with the baggage and the power bank(separately in an envelope). After some time i noticed that my 2TB Hard-disk (Company-WD) was missing and only the wire of the hard-disk is separately present in the baggage .And i am 100% sure that it was kept in the baggage.

Please check and return my 2TB hard-disk or refund the money.
That's very disgusting. I did nit expected this from the airline.