Although there are many success stories of TQM implementation and its benefits, the real impact of TQM cannot be disregarded a number of failures have also been reported argues that TQM does not provide either a cure-all nor is it a single key to organisational success.
The main reasons for TQM’s disadvantages, the number of overlapping programmes, lack of clear accountability, lack of credible measurement, inadequate reporting, difficulty in keeping up with changing customer priorities, diversification of business, and lack of strategic focus.