Ramesh wanted to buy a room heater as it had become extremely cold. He went to the nearby market in search of a good room heater. He first visited a few big shops selling branded heaters and checked the design, quality and the price. Walking through the market he saw a road side shop displaying an attractive room heater. He walked into the shop to enquire about the room heater. The shopkeeper demonstrated how the heater worked and simultaneously explained its qualities like its rotating function, auto-cut etc. Ramesh asked about its price and decided to buy it, as in comparison to other room heaters, it was cheaper and had various additional features. However while focusing on the price and features, he did not check the ISI mark or the label which displayed the date of manufacturing, safety features, directions for use etc.
The right exercised by Ramesh in the above case is: