The last major delimitation was in 2018. However, in 2022, the PMC proposed a minor reshuffling of polling stations within the R Zone due to population explosion in and Ambegaon . As a result, if you have an old map (pre-2020), some internal polling booth boundaries may have shifted, but the outer boundary of R1, R2, and R3 remains stable.
If “R” denotes a risk or rehabilitation zone (as many municipalities designate), the map is a moral document about whom the city chooses to protect. pune r zone map
You can tweak this for Twitter/X, LinkedIn or a local Facebook group — tell me which platform and I’ll tailor the tone/length. The last major delimitation was in 2018