तं विचक्ष्य खलं पुत्रं शासनैर्विविधैर्नृपः ।
यदा न शासितुं कल्पो भृशमासीत्सुदुर्मनाः ॥ ४२ ॥
tam vicaksya khalam putram
tam-him; vicaksya-observing; khalam-cruel; putram-son; sasanaih-by punishments; vividhaih-different kinds of; nrpah-the King; yada-when; na-not; sasitum-to bring under control; kalpah-was able; bhrsam-greatly; asit-became; sudurmanah-aggrieved.
After seeing the cruel and merciless behavior of his son, Vena, King Aṅga punished him in different ways to reform him, but was unable to bring him to the path of gentleness. He thus became greatly aggrieved.