The company was originally incorporated as a private limited company
 on March 24, 1988, in the state of Andhra Pradesh under the name of
 Enviro-Clean Systems Private Limited.  Subsequently, it was converted
 into public limited company on  27.8.1993.
 
 The company implemented a project for establishment of facilities for
 the manufacture of pollution control equipment and cooling towers
 using the fluidized bed technology.  The installed capacity is as
 under:
 
                               Installed Capacity
                                (In no. of units)
                               Large       Small
 
 Cooling towers                  15           150
 Air pollution control equipment 10            25
 Effluent Treatment Plant         5            15
 
 The company has been promoted by N Venkata Narayanan and Dr. Geetha
 Venkata Narayanan.