Voltas — Ac is not maintaining the temperature

Address:

H no 32283 street no 11g paras ram nagar bathinda

I have filed the complaint against my Split AC which had been bought on 06/05/2020 complaint no [protected] on dated 28/04/2020 and the technician has arrived to check the fault.there is missing of cooling gas in the compressor but till now no proceeding has been taken by the company for it.i have made phone calls yo technician his phone is switched off and i have also re-register the complaint please make such proceedings before the end my product’s warranty