Index of Industrial Production (IIP) India’s Index of Industrial Production (IIP) grew only 0.4% in October 2025 — the slowest growth in 14 months. About Index of Industrial Production (IIP) It is a key statistical tool used to measure the short-term changes in the volume of production in Indian industries. The IIP is published by the Central Statistics Office (CSO), which is part of the Ministry of Statistics and Programme Implementation (MoSPI). The current base year for the index is 2011–12. Eight Core Industries Weight in IIP: 40.27%. Industry& Weight (In percentage): Petroleum & Refinery production (28.04 %), Electricity generation (19.85 %), Steel production (17.92 %),Coal production (10.33 %), Crude Oil production( 8.98 %),Natural production Gas(6.88 %), Cement production(5.37 %), Fertilizers production(2.63 %).
