Big Bazaar / Futurebazaar / Future Retail / Hometown — wrong weight of the product added to the bill

Address:

411027

Hi,
I visited big bazzar today for monthly grocery shopping. I found one of the item was wrongly charged in my bill, when i cross checked my bill after reaching home.
Item details: mango badami, rate was mentioned as rs.89/kg.
I bought 6medium size pieces of badami mango. Weight was done and the price tag was pasted to the bag. I didn't notice exact weight and final amount at that time, but when i reached home, i found that amount was charged as rs.280 for badami mango, weight 3.1kg.
I cross verified weight of the bag using digital weighing scale at my home, it was exactly 1.6kg.
Almost double weight was charged for me.
Total fraud. I do not understand how this can happen??
Unbelievable but big bazzar is fooling people under the name of offer.
Bill details below: adding an image of the original bill.