Meaning of Fall upon
Unknown / অজানা / अज्ञात
to drop or descend under the force of gravity, as to a lower place through loss or lack of support.
to come or drop down suddenly to a lower position, especially to leave a standing or erect position suddenly, whether voluntarily or not: to fall on one's knees.
to become less or lower; become of a lower level, degree, amount, quality, value, number, etc.; decline: The temperature fell ten degrees. Stock prices fell to a new low for the year.
to subside or abate.
extend downward; hang down: Her hair falls to her shoulders.