'Itinerary' means-

The correct answer is- গ) plan of a journey.

Itinerary (Noun):
- English meaning: A document in which the places you go to or plan to go to on a journey are listed.
- Bangla meaning: ভ্রমণের পরিকল্পনা, বৃত্তান্ত বা লেখাপ্রমাণ; পথবৃত্তান্ত; পথপঞ্জি; গমনপথ।

Other Options:
ক) list of items to be discussed in meeting is called- agenda.
খ) list of events in a fixed time is called- a schedule or a chronology.
গ) record of events occurred in a day is kept in a diary.

Source:
1. Merriam-Webster dictionary.
2. Accessible Dictionary.
3. Cambridge Dictionary.