Universal Travels — missing luggage

My luggage has got missed and i have been giving complaints from the past two days. I have not received any positive response yet.
I had valuable things in the luggage and since it is lost with the travel's responsibility, i wish to claim my reimbursement. Please take appropriate action as soon as possible.
Details of my travel:
Pnr no.: uni2664185
Seat no.: u7
Date of travel: 20/05/19
Boarding time: 10:00 pm
Boarding point: kumbakonam
Dropping point: madiwala, bangalore at 5:45 am
Cost of the things lost: rs.12000
Place i kept my luggage: backside dickey while boarding
Luggage details: "royal polo" light brown colored trolley with all my clothes, two sets of silver anklets, utensils, cosmetics and phone charger