Department of Economics And Statistics

Industrial Statistics

Annual Survey of Industries

Annual Survey of Industries (ASI) is the main source of Industrial Statistics and it is conducted annually under the provision of the Collection of Statistics Act 1953 and in the rules framed under in 1959.

Objective of the Scheme is to estimate the contribution of registered manufacturing industries as a whole and each type of industry to the National Income and to study the structure of the industry as a whole and each type of industry. It is also for analysis of various factors influencing industries in the Country and to construct a comprehensive factual and systematic basis for formulation of industrial policies.

Annual Survey of Industries frame consists of the following industrial units :

egistered under Section 2m(i) & 2m(ii) of the Factories Act, 1948.
Bidi of Cigar establishment registered under Bidi of Cigar workers Act employing 10 or more workers with power 20 or more workers, without power.
Electricity undertaking Except Tamil Nadu Electricity Board:

From the year 2000-01 onwards. Annual Survey of Industries is being conducted in the States in the form of Residual Sample Survey on the results of the same is pooled with central census a survey results to identify the District level Estimation.

After the preparation and finalization of Annual Survey of Industries results the same may be sent to Central Statistical Organisation (IS wing) Kolkatta, to obtain Technical clearance in order to release the State Brochure (i.e.) “Industrial Profile of Tamil Nadu”.

This Publication depicts the overall performance of the industrial sector in the State. It is to construct a comprehensive factual and systematic basic for formulation of Industrial policies. The data are utilized for State Income Estimation under Manufacturing Sector at the State level. These Industrial Statistics are useful to Government, Planners. Administrators and Research Scholars to study the trend in Industrial Sector over a period of years and serves as a total for prospective planning with regard to Industrial development.

Construction of Monthly Index of Industrial Production

The scheme envisages the construction of monthly Index of Industrial Production to facilitate a study of Tamil Nadu’s performance in the Industrial sector. Index of Industrial Production is one of the key indicators of the economy of the State.

The scheme was first implemented during the year 1968 and it is continuing thereafter. The present revised series (Base Year 1999-2000 = 100) covers 359 item of products under 3 sectors viz. Mining, Manufacturing and Electricity sectors.

The monthly production particulars are collected from selected factories registered under the sections 2m(i) (employing 10 or more workers with power) and 2m(ii) (those factories employing 20 or more workers without power of the Factories Act 1948) on voluntary basis. Based on the production data received from selected factories, monthly indices of industrial production are compiled every month.

The Index of Industrial Production (base year 1999-2000):

As per guidelines received from Central Statistical Organisation, New Delhi the base year has also been shifted to 1999-2000 from 1993-94.

The Index of Industrial Production with base year 1999-2000 covers 359 items comprising 7 items under Mining Sector, 351 items under Manufacturing Sector and 1 item under Electricity Sector.

The items basket, weighting diagram and Index of Industrial Production (with base year 1999-2000) for the period from 2000-01 to 2005-06 have been sent to The Director, Central Statistical Organisation, New Delhi, for Technical Clearance.

Handloom

The objective of the Scheme is to measure the rate of variation in production, sales and stock of Handloom cloth in Tamil Nadu every month and to study the economic conditions of the Handloom industry every year.

The sample survey covers about 12,266 looms selected in 195 centres distributed in all the districts of the State, except the Districts of The Nilgiris and Pudukkottai. A maximum of 100 looms and a minimum of 25 looms engaged in production of different types of Handloom Cloth are assigned to each field staff for being covered under the survey every month. Based on the results, monthly statistics on production, Sales and Stock of Handloom Cloth are estimated at State level. In addition, the particulars of cost of production, earnings of weavers, indebtedness of weavers, literacy of weavers are collected through the Annual Schedule once in a year and consolidated Annual Report is prepared at State Level.