 हतान्मन्त्रिसुतान् बुद्ध्वा वानरेण महात्मना।रावणस्संवृताकारश्चकार मतिमुत्तमाम्।। 
 Coming to know that the seven sons of the ministers were slain by the great vanara,  Ravana, who had concealed his feelings of agony thought of a good plan. 