The Annual Survey of Industries (ASI) is the principal source of industrial statistics in India.  

The main objectives are to:-

(i)    Assess and evaluate the changes in the growth, composition and structure of organized manufacturing factory sector.

(ii)    Estimation of the contribution of manufacturing industries as a whole and of each type of industry to the “National Income”.

(iii)    The survey has so far been conducted annually under the statutory provisions of the collection of Statistics (COS) Act, 1953 and the rules framed there-under in1959.

(iv)    From ASI 2010-11 onwards, the survey is being conducted annually under the statutory    provision of The collection of Statistics (COS) Act, 2008 and the rules framed there under in 2011 except in the  State   of Jammu & Kashmir.

2. Coverage


a)    It covers all factories registered under Sections 2(m) (I) and 2(m)(ii) of the Factories Act, 1948. Moreover, certain services and activities like cold storage, repair of motor vehicles and other consumer durables like watches etc. are covered.


b)    The survey also covers bidi and cigar manufacturing establishments registered under the Bidi and Cigar Workers (Conditions of Employment) Act 1966.


c)    All captive electricity plants engaged in generation, transmission and distribution of electricity and not registered with the Central Electricity Authority (CEA).


    The geographical coverage of the Annual Survey of Industries has been extended to the entire State.


3. Unit of Enumeration    


    The primary unit of enumeration in the survey is a factory in the case of manufacturing industries, a workshop in the case of repair services, an undertaking or a licensee in the case of electricity undertakings and an establishment in the case of bidi and cigar industries.


4. ASI Frame

•      The ASI frame based on the lists of registered factories / units maintained by the Chief Inspector of Factories (CIF) of the State (in Odisha it is Director Factories and Boilers) and those maintained by registration authorities in respect of bidi and cigar establishments and captive electricity undertakings.

•       The frame is revised/updated periodically by the Field Operations Division of NSSO in consultation with the CIF in the state. At the time of revision, the names of the de-registered factories are removed from the ASI frame and those of the newly registered factories are added.

•       It is dynamically updated on the basis of the information available from the latest survey in respect of the surveyed units.


5. Reference Period


The reference period (year) for ASI is the financial year (April-March) for all items.The actual survey period for ASI is generally September to April in the subsequent year following the reference period.


6. Activities


(i)     Data collection/Supervision/scrutiny/data entry & Validati


    At present, the ASI data are collected in the following schedules:-

•         BLOCK A&B : Identification particulars

•         BLOCK C : Fixed Asset

•         BLOCK D : Working Capital

•         BLOCK E : Employment

•         BLOCK F : Other Expenses

•         Block G : Other Output/Receipts

•         BLOCK H : Indigenous Input

•         BLOCK I  : Imported Input

•         Block J: Products & By-products

•         Block K: ICT indicators

•         Block L: Energy conservation measures

•         Block M&N: Particulars of field operation & Comments of Scrutinizing Officer.


(ii) Estimation

After collection/Supervision/scrutiny/data entry & Validation of data in the prescribed scheduled

             The result on following indicators are estimated under ASI:-

•         No. of Factories

•         Capital structure

•         No. of Workers/Employees

•         Gross Value Added (GVA)/ Net Value Added (NVA)

•         Output/Input

•         Profit




A combined report for the year 2001-02, 2003-04, 2004-05 & 2005-06 has been published.


Latest Activities Going on


The report for 2006-07 to 2008-09 is in draft stage. The data collection for 2010-11, 2011-12,       2012-13, 2013-14 and 2014-15 is under progress.