Header Line

The National Statistical Office (NSO) in Ministry of Statistics & Programme Implementation is responsible for conduct of large scale sample surveys in diverse fields on All India basis. Primary data is collected regularly through nation-wide household surveys on various Socio-Economic subjects, Annual Survey of Industries (ASI) under the Collection of Statistics Act and Enterprise Surveys as a follow up of the Economic Census. Besides these surveys, NSO collects data on Periodic Labour Force Survey (PLFS), rural and urban prices and plays a significant role in the improvement of crop statistics through supervision of the area enumeration and crop estimation surveys of the state agencies. It also maintains a frame of urban area units for drawing samples for Socio-Economic Surveys in urban areas. The Field Operations Division (FOD) with its headquarters at Delhi/Faridabad and a network of 6 Zonal Offices, 53 Regional Offices and 116 Sub-Regional Offices spread throughout the country, is responsible for the collection of primary data for the surveys undertaken by MoSPI.

Header Line

Socio-Economic Survey

The 78th Round of NSS (January 2020 – December 2020) devoted to the subjects of Domestic Tourism Expenditure and Multiple Indicator Survey.

Urban Area Unit

The data of the survey on Domestic Tourism Expenditure will be used for the preparation of the Tourism Satellite Account (TSA) of the Country and States by the Ministry of Tourism.

Urban Area Unit

Information collected in this survey on different aspects like purpose of the trip, mode of transport and accommodation used during the trip, final destination within the country, use of various tourism specific products and services for the trip, etc. will constitute a valuable source of input for further policy research and for formulation of sector specific policies and programmes for creation and development of infrastructure, tour packages, etc.

Urban Area Unit

Multiple Indicators Survey (MIS) is being conducted for the first time by NSO for developing some important indicators of Sustainable Development Goals (SDGs) 2030.

Annual Survey of Unincorporated Sector Enterprises (Asuse)

ASUSE is devoted to ‘Unincorporated Non-agricultural Establishments’. This survey has been launched on 1st October 2019, initially for six months, which is devoted exclusively to an integrated survey on economic and operational characteristics of unincorporated non-agricultural enterprise in manufacturing, trade and other services sector to supplement the corporate sector data.

Agricultural Statistics

Field Operations Division of MoSPI is associated in Improvement of Crop Statistics (ICS) Scheme and helps State Govts in strengthening Crop Statistics.

    • Under ICS scheme the objective is to locate deficiencies in the system of collection of crop statistics by exercising meaningful supervision over the primary field work and suggest remedial measures for strengthening area and yield statistics. The season wise status report on ICS scheme is presented to each State government.

    • Under the scheme, sample check on the primary field work relating to area enumeration in approximately 5000 villages in an agriculture season and supervision of about 16000 crop cutting experiments in each agricultural year are undertaken by the Field Operations Division (FOD).

    • The States are also participating in this programme of sample check on area enumeration, area aggregation and crop cutting experiments on equal matching basis.

    • The data collected through the supervision of crop cutting experiments at harvest stage inter alia are also utilized to compute estimates of yield rate of specified crops under the ICS scheme.

Urban Frame Survey (UFS)

Urban Frame Survey (UFS) is a regular scheme being conducted in phased manner over a period of 5 years. The objective of the survey is formation and updation of UFS blocks for providing frame for selection of first stage sampling units in urban sector to conduct various Socio-Economic surveys of MoSPI.


A decision was taken to undertake Urban Frame Survey (UFS) 2017-22 phase work on digital platform using Mobile and web- portal based applications.


The technology for the same has been developed by National Remote Sensing Centre (NRSC), Hyderabad. The web application includes functionality for uploading the final boundary polygons drawn on QGIS software.


Field officials have been given training in use of Mobile application for capturing attribute data, use of QGIS software for finalizing the boundaries and use of web portal for editing and submitting the attribute data.

Periodic Labour Force Survey (PLFS)

The nationwide Periodic Labour Force Survey (PLFS) was launched from April 2017.



The objective of PLFS is primarily two fold (i) to measure the labour force indicators in the short time interval of three months for the urban areas only in the Current Weekly Status (CWS) and (ii) to generate estimates of all important labour force parameters in both usual status (ps+ss) and CWS annually for both rural and urban areas.

CAPI Solution

CAPI Solution

The data collection for PLFS in the field is being done through Computer Assisted Personnel Interviewing (CAPI) Solution. The CAPI Solutions was developed by NSO with technical assistance from World Bank for use in data collection for PLFS by using hand held IT Devices in place of paper schedules.

Time Use Survey

NSO conducted Time Use Survey during the period January 2019 to December 2019 for the first time. The primary objective of Time Use Survey (TUS) was to measure participation of men, women and other groups of persons in paid and unpaid activities. The survey would be an important source of information on the time spent in unpaid care giving activities, unpaid volunteer work, unpaid domestic service producing activities of the household members. This would also provide information on time spent on learning, socializing, leisure activities, self-care activities, etc. by the household members.

Annual Survey of Industries (ASI)

The Annual Survey of Industries (ASI) is the principal source of industrial statistics in India. It provides statistical information to assess and evaluate, objectively and realistically, the changes in the growth, composition and structure of the organized manufacturing sector comprising activities related to manufacturing processes, repair services, generation, transmission, etc. of electricity, gas and water supply and cold storage. The survey is statutory in nature under the Collection of Statistics Act, 2008 (as amended in 2017) and the rules framed there under.



The ASI extends to the entire country. The survey covers all factories registered under sections 2m (i) and 2m (ii) of the Factories Act, 1948.


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


All the electricity undertakings engaged in the generation, transmission and distribution of electricity registered with the Central Electricity Authority (CEA) were covered under ASI up to 1997-98 irrespective of their employment size.


Certain services and activities like cold storage, water supply, repair of motor vehicles other consumer durables like watches, etc. are covered under the survey.


Defence establishments, oil storage and distribution depots, restaurants, hotels, café and computer services and the technical training institutes are excluded from the purview of this survey.


The electricity undertakings registered with the CEA are not being covered under ASI w.e.f. 1998-99. However, captive units not registered with CEA continue to be covered under ASI.


In addition to the above, now the coverage of ASI has been extended beyond the purview of the section 2m (i) and 2m (ii) of the Factories Act, 1948 and the Bidi & Cigar Workers (Conditions of Employment) Act, 1966 as recommended by the Sub-Group on Sampling Design of ASI. For this purpose, Business Register of Enterprises (BRE) prepared by the respective states and Directory of Establishments based on Sixth Economic Census would be used by Industrial Statistics Wing (IS Wing).


The data collected through ASI relates to capital, employment and emoluments, consumption of fuel and lubricants, raw materials and other input/output, value added, labour turnover and other characteristics of factories/industrial establishments. Fieldwork for central sample is carried out by the Field Operations Division.

Price Data

Rural Retail Price Collection (RPC, 3.01(R))

Rural Retail Price Collection (RPC, 3.01(R))

NSO (FOD) collects monthly rural retail price data for the compilation of Consumer Price Index (CPI) for Agricultural and Rural Labourers (AL/RL). Along with the price data for about 260 items, daily wage rates of 12 major agricultural and 13 major non-agricultural occupations are also being collected in the Schedule-3.01 (R). Data on daily wage rates of important agricultural operations are reported by the State Governments on monthly basis. The Labour Bureau, Shimla under the Ministry of Labour and Employment compiles and publishes the index figures of CPI (AL/RL) ,which is released every month (20th or preceding working day of the following month) for each of the states as well at all India level. The current base year for RPC is 1986-87=100. Data for RPC is collected from 603 villages every month spread across 26 States/UTs and transmitted to Labour Bureau, Shimla.

Consumer Price Index (Urban)

Consumer Price Index (Urban)

Consumer Price Indices (CPI) for Urban Areas measure the changes over time in general level of retail prices of goods and services that households acquire for the purpose of consumption relevant to the entire urban population in the country. The price collection under CPI (U) started from May 2008 by Field Operations Division (FOD) of NSO on behalf of Price Statistics Division (PSD), National Statistical Office (NSO). The current base year for CPI (U) is 2012=100. Price data collection is done for 1078 quotations per month from 310 towns across the country. Collection/transmission of monthly retail prices in the Urban Prices Portal of CPI (U) is being done regularly by the NSO (FOD).

Consumer Price Index (Rural)

Consumer Price Index (Rural)

NSO (FOD) was entrusted with the work of CPI (Rural) from September, 2018 after the handover of task from the Department of Posts (DoP). The base year of CPI (Rural) is same as that of CPI (Urban), i.e., 2012=100. Price data collection is being carried out from the markets located in 1181 villages across the country. Collection / transmission of monthly retail prices in the Rural Prices Portal of CPI (R) is being done regularly by the field offices of NSO (FOD).

Wholesale Price Index (WPI)

Wholesale Price Index (WPI)

Wholesale Price Index (WPI) is an important measure of average change in the prices of commodities for bulk sale at the level of early stage of transactions. The index basket of the WPI covers commodities falling under the three Major Groups namely Primary Articles, Fuel & Power and Manufactured products. The prices tracked are ex-factory price for manufactured products, agri-market (mandi) price for agricultural commodities and ex-mines prices for minerals. Weights given to each commodity covered in the WPI basket is based on the value of production adjusted for net imports. WPI basket does not cover services. Data collection/transmission activities for 6765 quotations on monthly basis covering 5648 manufacturing units/factories from organized sector is being facilitated by NSO (FOD) on behalf of the Office of the Economic Advisor in the Department of Promotion of Industry and Internal Trade (DPIIT), Ministry of Commerce & Industry. The current base year for WPI is 2011-12=100. The Office of Economic Adviser is responsible for compiling and releasing WPI data monthly.