The most serious pest of bengalgram is

Solution (By Examveda Team)

The Pod borer is the most dangerous pest of chickpeas, causing heavy damage to the crop. This pest has been reported to cause 50% - 60% damage to chickpea pods. It is estimated that pod borer destroys about 21% of total chickpea production each year.
Using resistant varieties and implementing good agronomic practices can help to manage pod borer.