are useful to produce wide range of consumer goods and thousands of agricultural inputs, construction, manufacturing and servicing industries. Whereas dyes are colored substance, which contains an affinity to which it is applied. During the recent research in the field of chemical engineering, the entire area has noticed excellent refinement in the products.

There are many industries in India that produces wide range of chemicals and dyes. Some of it includes adding pigments, organic pigments, inorganic pigments, m brand dye, salt free dyes, dyestuff, basic pigments, powered pigments, shoe polish, printing chemical dye, etc. Dyes are more commonly used for coloring purpose like to give a cloth more colorful and stylish look or to color hair. On the other hand, uses of chemicals are found in variety of products especially in preservatives, essence, fertilizers, medicines, etc.

However some of the chemicals remain unaffected to the environment while some of the toxic gases that outcome from refrigerators, air-conditioners, television, etc add to global warming. Even toxic matters contained in color-paints are hazardous to human health.

Even though excessive use of certain toxic substances are injurious to mankind yet some chemicals which are use for cleaning, preservatives, making drugs and medicines, etc are regarded as a boon to mankind.