Kent RO — Service charge taken but complaint not resolved

Address:

Ludhiana

Case ID[protected]
Engineer did not inform that there is less air in the water tank, he didnot have the air pump so he serviced rest of the machine, took service charge and left.
After twp hours when I called him that issue is not resolved, he told me that water tank is faulty and he did not have air pump.
Service provider : IDM solutions, Ludhiana