Electrolux India — service person is not responding

Address:

Mumbai City, Maharashtra, 400071

Dear Sir / Madam,
We have purchase the Electrolux Split AC[protected] from Vijay Sales Chembur.We had called on 25th feb 2018 for the service and service technician had arrived next day & told me that the gas is less due to which the cooling is not there.He told me that he will come next week.
I had call at your customer care and complained.The call was lock on 17th March 2018, BUT after repeated calls TILL TODAY NO ONE HAD COME