We have purchased two pressuer cooker from of ur company from the shop M/s OSWAL STEEL CENTER , Borivli west Mumbai,in march 2008 he warrent card no is 108071 & 402081. We are facing the problem of the steel bottom of the pressuer cookers they are comming out again even after get it done repaired. May we please request u to advise on same.Do we have shift to other brands???