Meaning of Undertook
Unknown / অজানা / अज्ञात
simple past tense of undertake.
to take upon oneself, as a task, performance, etc.; attempt: She undertook the job of answering all the mail.
to promise, agree, or obligate oneself (followed by an infinitive): The married couple undertook to love, honor, and cherish each other.
to warrant or guarantee (followed by a clause): The sponsors undertake that their candidate meets all the requirements.
to take in charge; assume the duty of attending to: The lawyer undertook a new case.