I PURCHASED A CARRIER MADE AC MACHINE IN THE NAME OF NY WIFE MRS SWATI MAJUMDAR FROM BBC ELECTRONICS,SURI,BIRBHUM ON 04/06/2012 BY TAX INVOICE NO 10222. & I SERVICE BOOK ON SAME DAY FOR INSTILLATION THIS AC ON CC HELP LINE NUMBER (1********111). BUT IT INSTILL ON 12/06/2012.AFTER INSTILLATION ITS COOLING SYSTEM NOT WORKING.I AGAIN SERVICE BOOK ON CC HELP LINE NUMBER (1********111)ON 14/06/2012 WHICH DOCKET NO KOL 0001841.BUT COMPANY NO RESPONSE ABOUT THIS SERVICE UP TO 19/06/2012.