Anyone complaining about leaking evaporator / condenser in new (or a year old AC) do you have nullah, open gutters / sewage near your home?
Manufacturers should coat ubends/coils to protect them from corrosion. It will hardly cost them 1000 - 2000 rupees and may be charge customers for that.
But Seth سیٹھ owners of such companies they only care about profits and not the quality.