Tamil Nadu Map from https://commons.wikimedia.org/wiki/File:Tamil_Nadu_districts_map.svg 
which was published on 4 July 2020 divided and coloured according to the divisions South,Central,North,West. reffering https://en.wikipedia.org/wiki/Tamil_Nadu#Administrative_subdivisions
Own work, derived from the  File:Tamil Nadu districts map.svg. 



This  is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Coloured Tamil Nadu Districts As South,North,Central,West with reference from Tamil Nadu as on 7 December 2020. The original can be viewed here: Tamil Nadu districts map.svg: . Modifications made by Giftson.
C1MM work based onChumwa