Official zone boundaries between ECoR and ScoR not released yet. Between SCR and SCoR:
West: Wadi (Not incl. wadi) on RC-Wadi line
North: Pagidipalli (not incl.), on GNT-SC line
East: Kondapalli on SC-BZA line
South:...
more... Vishnupuram on Vishnupuram-Motumari line
Dhone on SC-Dhone line