Valmiki Ramayana Bala Kanda Sarga 60 Shloka 1

महातेजा: most brilliant, विश्वामित्र: Visvamitra, समहोदयान् together with Mahodaya, वासिष्ठान् sons of Vasishta, तपोबलहतान् having destroyed by his power of asceticism, कृत्वा made, ऋषिमध्ये seated in the midst of saints, अभ्यभाषत said.

The most brilliant Viswamitra, having destroyed the sons of Vasishta including Mahodaya by his ascetic power, said this in the midst of saints: Trisanku ascends to heaven and gets expelled by IndraViswamitra creates another heaven for him