Step 1: The question asks to identify the poem from which this line is taken. The line describes a state of intense emotion that overcomes rational feelings like hope and care.
Step 2: This intensity is a hallmark of the poem "Koel" by Puran Singh.
Step 3: The poem describes the fiery, passionate song of the koel, which is so all-consuming that it seems to burn away everything else. The line suggests that the bird's emotional state is so extreme that it transcends ordinary feelings, banishing hope and ceasing to care, driven only by its intense longing.