Nizam'stores rob their customers

On Saturday 08/10/22 I visited the store at EYETHU mall at orange farm I bought few things there and gas stove pipe I wanted 3 metres long ,the service was good when I reach at home only to find out they only sold me 2,7metres I am warning others , because it is marked where they measure which is not accurate

After reading their slip it says no exchange no refund no guarantee.i thought to go back to them that will be waste of time and money