u99119/Mayank: If you did indeed follow the instructions, then things should be fine. At the end, it says: "if this doesn't work try to load savestate from file under savestate options." So have you tried that as well?
In the future, u99119/Mayank, it would be better if you created a new topic for yourself, bro.
And linkinkid, did you create a backup folder at all? If not, it's difficult to restore a lost save.