Spring is out with the spring compressors removed.
Note the extend of rust on the ends of the springs. Initially, the plan was to have the springs sandblasted and powder-coated but in a second thought it was not worth it. Not only the corrosion had eaten away a significant portion of spring but also the new springs cost was marginally higher than restoring the old ones.
So the best option was to have a new set purchased rather than keeping the old and sagging ones.