GoAir — from flight, blr - amd, baggage get, lost no response for them

Hi,

I reached ahmedabad airport on 11th august 2018 from bangalore and got to know that my bag is not present on the belt. Till now it's not tracked also no one is picking the call at amd airport.
Fight details :
Pnr - u2s8sl

My name - pankaj garg
My number-[protected]

I do have the pir form filled and with me.
I came here for 5 days vacation 3 days are already gone.
Please update me on what to do next, shall i file case against them?