The Ministry of Statistics and Programme Implementation (MoSPI) is revising the base exercise of the Index of Industrial Production (IIP), revisiting methodologies, exploring data sources, and incorporating changes after consultations with experts, academicians, users, and stakeholders. The IIP index is currently compiled from data received from a fixed panel of factories. As the industrial landscape evolves, some factories become non-operational or change production, requiring substitution to maintain continuity.
To facilitate stakeholder engagement, MoSPI has prepared Discussion Paper 1.0: Substitution of Factories in the Compilation of the Index of Industrial Production, outlining the proposed methodology. Views and comments are invited from experts, academicians, government ministries/departments, state governments, financial institutions, and other stakeholders. The Discussion Paper is available on the MoSPI website, www.mospi.gov.in. Comments and suggestions may be sent to iipcso[at]nic[dot]in by November 25, 2025. This release was posted on November 11, 2025, at 4:00 PM by PIB Delhi.
Key Entities Referenced
Index of Industrial Production (IIP): A key economic indicator measuring changes in the volume of production of industrial goods.
Ministry of Statistics and Programme Implementation (MoSPI): The ministry responsible for compiling and releasing the Index of Industrial Production and undertaking base revision exercises.
Discussion Paper 1.0: Substitution of Factories in the Compilation of the Index of Industrial Production: A document outlining the proposed methodology for substituting factories in the new series of the Index of Industrial Production.
Ministry of Statistics & Programme Implementation
Release of Discussion Paper 1.0: Substitution
of Factories in the Compilation of the Index of
Industrial Production (IIP)
Posted On: 11 NOV 2025 4:00PM by PIB Delhi
The Ministry of Statistics and Programme Implementation (MoSPI) is undertaking the base revision
exercise of the Index of Industrial Production (IIP). In the process, MoSPI is revisiting
methodologies, exploring new data sources and incorporating changes after comprehensive
consultations with the experts, academicians, users and other stakeholders.
In the present series of IIP, index is compiled on the basis of a data received from fixed panel of
factories selected in base year to represent industrial activity across various sectors. As the industrial
landscape evolves, some of the factories in the existing sample may become non-operational or
diversify/change their production profile, thereby necessitating their substitution, which involves
replacing the permanently closed factory/factory that has changed the production line with a suitable
substitute that produces the same item/item group, ensuring continuity in the data series. This ensures
the time series remains consistent and reflective of ongoing industrial activity.
To facilitate stakeholder engagement, MoSPI has prepared a Discussion Paper 1.0: Substitution of F
actories in the Compilation of the Index of Industrial Production which outlines the proposed
methodology for the new series. MoSPI invites views and comments from experts, academicians,
Central government Ministries/ departments, State governments, financial institutions and other
stakeholders on the proposed methodology.
The Discussion Paper is available on the MoSPI website www.mospi.gov.in. Comments and
suggestions may be sent to iipcso[at]nic[dot]in by 25th November, 2025.
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