When He entered the palace, He offered obeisances to all the mothers, including Kaikeyi and the other wives of Maharaja Dasaratha, and especially His own mother, Kausalya. He also offered obeisances to the spiritual preceptors, such as Vasistha

Expressions researched:
"When He entered the palace, He offered obeisances to all the mothers, including Kaikeyī and the other wives of Mahārāja Daśaratha, and especially His own mother, Kauśalyā. He also offered obeisances to the spiritual preceptors, such as Vasiṣṭha"

Srimad-Bhagavatam

SB Canto 9

Thereafter, having been welcomed by His brother Bharata, Lord Rāmacandra entered the city of Ayodhyā in the midst of a festival. When He entered the palace, He offered obeisances to all the mothers, including Kaikeyī and the other wives of Mahārāja Daśaratha, and especially His own mother, Kauśalyā. He also offered obeisances to the spiritual preceptors, such as Vasiṣṭha. Friends of His own age and younger friends worshiped Him, and He returned their respectful obeisances, as did Lakṣmaṇa and mother Sītā. In this way they all entered the palace.

SB 9.10.45-46, Translation

Thereafter, having been welcomed by His brother Bharata, Lord Rāmacandra entered the city of Ayodhyā in the midst of a festival. When He entered the palace, He offered obeisances to all the mothers, including Kaikeyī and the other wives of Mahārāja Daśaratha, and especially His own mother, Kauśalyā. He also offered obeisances to the spiritual preceptors, such as Vasiṣṭha. Friends of His own age and younger friends worshiped Him, and He returned their respectful obeisances, as did Lakṣmaṇa and mother Sītā. In this way they all entered the palace.