Latest Answer: Hi Sundar, Guideline Value for Land in Chennai is the value of the land as determined by the Tamil Nadu Government, based on its own metrics of facilities and infrastructure growth in that locality. The Guideline Values are revised periodically to have them in sync with the Market Value.
Nicely written Article where you can find Guidance value of Chennai localities:
https://www.commonfloor.com/realestate/guideline-value-for-land-chennai