undertaking

/ˌʌndəˈteɪkɪŋ ˌअन्‌डˈटेकिङ्‌/ noun [C, usually sing.]

1 a piece of work or business उद्यम, कारोबार, व्‍यवसाय, उपक्रम

Buying the company would be a risky undertaking.

2 undertaking (that.../to do something) a formal or legal promise to do something (किसी काम के लिए दिया गया) औपचारिक या वैधानिक वचन