Brick industry has to compete for resources which are also used in other industries. The coal is used on steel and also in brick industry. For more details read here.
The fly ash brick making machines is a single platform machine. It can produces around 10,000 bricks in 8 hours. Thus reducing the amount of labor and time involved considerably. For more information read here.
His brick industry forms the backbone of the construction industry. The unorganized sector, the brick sector, is very large and wide in India. Read this blog for more information.