Hindustan Glass

Manufacture of other basic iron and steel n.e.c

Manufacture of Aluminium from alumina and by other methods and products of aluminium and alloys

Manufacture of doors, windows and their frames, shutters and rolling shutters, gates and similer articles used on buildings

Manufacture of other glassware/ glass proudcts: articles of glass used in construction such as glass blocks; clock or watch glasses, optical glass and optical glass elements not optically worked; and other glass products (including glass beads) n.e.c