Laptop Y serise mob no (226927Q, Mac03AF)
Customecare charging unnecessary charges

Dear Sir

I am having Lenevo Y 500 serise Laptop Model no 226927Q, MAC03AF which is under repair with Aforeserve.com LTD Kolkata Add:35 C R avenue Kol-12 .I got call from no 011204597800 which is lenevo office number in Delhi Mr VINIT calld me up and confirm me that my laptop is under warranty period but when i approched to service senter for repairing the told me warranty is expired and they have charged Rs4500/ for repairing in stead of free?

Please guide me how to get proper guidence from LENEVO.