Indigo Airlines — Lost jewelry in Indigo flight

My wife and my mother were travelling from Jaipur to Ranchi via Delhi on 14/03/2023. They had booked a ticket of IndiGo flight. The ticket details are as follows:
1. Jaipur to New Delhi: Flight 6E 2205, Usha Gupta & Alpana Gupta, Seats 21C and 21B
2. New Delhi to Ranchi: Flight 6E 5535, Usha Gupta & Alpana Gupta, Seats 21D and 21E.
After reaching home at Ranchi when they opened the baggage which had the jewelry in a small bag, they were surprised not to find the jewelry, the small bag along with the jewelry was missing.