Correct option is D
Option (d) is the incorrectly spelt word.
Correct spelling is: Enhancements – improvements or upgrades. (Hindi: उन्नयन / सुधार)
Example: The latest software version brings multiple enhancements.
Meanings of the other options:
· (a) Software – program or application (सॉफ़्टवेयर)
· (b) Performance – execution or output quality (प्रदर्शन)
· (c) Update – latest version (अपडेट)
Part of speech: Enhancement – Noun