Air India — checked in luggage misplaced/missing/not traceable

Address:

Manasa Residency, J P Nagar 6th Phase, 560078

I was traveled from Mexico to Frankfurt, Frankfurt to Delhi, Delhi to Bangalore by Lufthansa LH499, AI 120 and AI506 on 28.09.2019.
arrived at Delhi on 30.09.2019 morning at 8.30 am and waiting for my luggage at belt no. 14. my luggage was not arrived. reported at AirIndia staff. complaint raised. complaint no. DELAI 27196. Till now I have not got any information about my luggage. status showing not traceable. several times called customer care. wrote a mail to del.[protected]@airindia.in. not received favorable answer.
I would like to claim compensation for my missing luggage and need to know when I will be getting my luggage