The heavy engineering industry envisaged as part of economic activity mix of the DSIR comprises of production of machinery and equipment like heavy electrical equipments like turbines, power and distribution transformers, generators, High tension circuit breakers etc. The segment also includes manufacturing of machinery for sectors like cement, sugar, mining and metallurgy, boilers, precision machine tools and material handling equipment. Heavy transport equipment like railway coaches also form part of this economic activity in the DSIR.