ONIDA, WINDOW A/C. 1.5 TONS - NOT WORKING SINCE INCEPTION

I PURCHASED 11 ONIDA WINDOW 1.5 TON AC FROM ONIDA FOR WHICH I PAID CHEQUE. THE CHEQUE WAS REALISED. ACS WERE DELIVERED TO ME IN INSTALMENTS AT MY HOUSE SITUATED AT U-77/12, DLF PHASE III, GURGAON. OUT...