General terms:
* हिंदी कार्य (Hindi kaary) - This is a general term for "Hindi work" or "Hindi task".
* हिंदी असाइनमेंट (Hindi assignment) - This is a direct translation but might sound a bit formal.
* हिंदी काम (Hindi kaam) - This is another general term for "Hindi work".
More specific terms:
* हिंदी लेखन कार्य (Hindi lekhan kaary) - This refers to "Hindi writing work".
* हिंदी परियोजना (Hindi pariyोजना) - This means "Hindi project".
* हिंदी पाठ्यक्रम कार्य (Hindi pathyakram kaary) - This refers to "Hindi coursework".
The best choice will depend on the specific assignment and context. For example, if it's a written assignment, "हिंदी लेखन कार्य" would be a good choice. If it's a broader project, "हिंदी परियोजना" would be more suitable.
It's always a good idea to check the specific context and use the most accurate and natural-sounding term.