Survey on India’s administrative districts and population data -- repost

[Summary] Doing a research about administrative districts, the other geographic districts, population data and polygon data* of India on the web, and inputting them to the format which is provided. *polygon data: geographic information data which describes a shape of the district on a map -------------------------------------------------------------------------------------------------------------- [Survey description] example: US 1. List of administrative districts and polygon data - e.g. State, County, County subdivision, City, Towns and townships, etc. - the number of areas of each district - relation of inclusion of each district e.g. State → County → County subdivision - polygon data of each district - data definition document - screen capture, screen shot - year of the latest report published - terms of use of the data 2. List of geographic districts other than administrative districts and polygon data List of the other geographic districts which are not administrative but generally used. If you are not sure it's administrative, describe as "2" not “1”. - e.g. Place, Block Group, Block, ZIP-code Tabulation Area, Census Tracts, etc. - polygon data - data definition document - screen capture, screen shot - year of the latest report published - terms of use of the data 3. Example of address description How to describe address on mail or public document. - e.g. J-456, 123st., GHI Town, DEF County, ABC State 4. Population data from census which corresponds to each district of "1" or "2" Nighttime(resident) population of each administrative district - Official census data taken every 5 or 10 years - data definition document - year of update / update frequency - year of the latest report published - how to attach population data to polygon data (in case these data exist separately) - terms of use of the data - Simplified census data taken more frequently (e.g. every 1 or 2 years) - data definition document - year of update / update frequency - year of the latest report published - how to attach population data to polygon data (in case these data exist separately) - terms of use of the data [Skills you need] - web research skill - able to make inquiries to statistics institutes of each country if needed - primary understanding of administrative district of the country. desirable if you have lived in. - primary understanding of basic data format (CSV, TSV, etc.) - able to browse geographic information data(Esri Ghapefile, File Geodatabase, GeoJSON, etc.) with GIS tool (QGIS, ArcGIS, etc.)