Usually IIP numbers of a particular month would be published after two months. The date of publishing IIP numbers are usually before noon on the 12th of a month. The dates are indicative based on the previous publishing dates, it can be anywhere between 11th to 14th of a month..
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Tracking Growth using GDP & IIP data
IIP data is a simple index which provides information about the growth of different sectors of our economy like mining, electricity, Manufacturing & General. The IIP index reflects the growth in India’s industrial activity and excludes all kinds of services. The base year for the index over the period of the analysis is 1993-94.
Another classification is use-based (consumption based), where IIP is classified on the base of use like Basic Goods, Capital goods, Intermediate goods & consumer goods.
The weightage of Indian IIP data is broadly divided into three segments – manufacturing (79.36%), mining & quarrying (10.47%) and electricity (10.17%)...
Manufacturing : includes items like food items, machinery, wood furniture etc
Electricity : includes generation and transmission of electricity ( from various sources like - thermal, hydro, solar etc)
Mining : includes mining of coal, oil other metals etc