Classification in Maharashtra
Primarily, the classification in Maharashtra is as follows:
Group A - Comprising the developed areas, namely Mumbai Metropolitan Region (MMR) and Pune Metropolitan Region (PMR).
Group B - Comprising the areas where some development has taken place.
Group C - Comprising the areas that are less developed than those in Group B.
Group D - Comprising the lesser-developed areas of the State not covered under Group A / Group B / Group C.
Group D+ - Comprising those least developed areas not covered under Group A / Group B / Group C / Group D.
Zones in Maharashtra as classified by the Ministry of Labour
Zone I - Comprises the area falling within the limits of all 'A' and 'B' class Municipal Corporations.
Zone II - Comprises the areas falling within the limits of all 'C' and 'D' class Municipal Corporations, 'A' class Municipal Councils, and Cantonment areas.
Zone III - Comprises all other areas in the state not included in Zone I and Zone II.
So, if Chakan is in PMR, then it will be Zone A; otherwise, it will be Zone B.