Valmiki Ramayana Sundara Kanda Sarga 64 Shloka 27
Original Shlokaयद्यप्यकृतकृत्यानामीदृश स्स्यादुपक्रमः। भवेत्स दीनवदनो भ्रान्तविप्लुतमानसः।।5.64.27।।
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अकृतकृत्यानाम् in case they have not accomplished, उपक्रमः return, ईदृशः this way, यद्यपि स्यात् acted that way, सः he, दीनवदनः pathetic face, भ्रान्त विप्लुतमानसः perplexed and unsteady in mind, भवेत् would be.
"In case the vanaras have returned without accomplishing the task, Angada would have assumed a pathetic face, perplexed and unsteady in mind.