If you ever looked at buying a flat or went through a project brochure, you must have come across these terms-FSI and Fungible FSI. They sound so technical that most people ignore them. But these two things decide how tall a building can be, how many flats it will have and how much usable space you actually get. Understanding them helps you judge whether a project is really worth the price.

https://www.proclee.com/blog/fsi-and-fungible-fsi-in-real-estate-what-these-terms-really-mean