Valmiki Ramayana Ayodhya Kanda Sarga 75 Shloka 64

एवम् in this way, विलपमानस्य while lamenting, दुःखार्तस्य afflicted by sorrow, महात्मनः great Bharata's, मनः mind, मोहाच्च due to swooning, शोकसम्रोधात् due to being besieged by grief, लुलितम् बभूव became unsteady.

Afflicted by sorrow and lamenting thus, great Bharata's mind became unsteady owing to swooning and besieged by grief.