Explanation:

Second option is correct.

Index of Industrial production shows growth of industrial production.
The Index of Industrial Production (IIP) is an abstract number or ratio which measures the growth of various sectors in the economy. In India, IIP is a representative figure which measures the general level of Industrial activity in the country. Being an abstract number, it does not show volume of activity and only shows the magnitude which represents the status of production in the industrial sector for a given period of time as compared to a reference period of time.