UPSC CDS 2 2019 GK Paper

(d) Zonal Councils are Advisory Councils and are made up of the States of India that have been grouped into five zones to foster cooperation among them.
These were set-up vide Part III of the States Reorganisation Act, 1956.
The present composition of each these Zonal Council is under Northern Zonal Council, Central Zonal Council, Eastern Zonal Council, Western Zonal Council and Southern Zonal Council. The North Eastern States are under another statutory body, the North Eastern Council.