Does the Bhagavad Gita teach us to only worship Lord Krishna and no other God?

[An online question brought to Swami by Śrī Anil]

Swami replied: God Kṛṣṇa said that He repeatedly takes birth on earth whenever injustice tries to destroy justice. Whenever such situations occurred in the past, did the same Kṛṣṇa take birth in that same form? No! The same God took birth in different forms with different names on those different occasions to protect justice. This means that when Lord Kṛṣṇa told Arjuna to worship Him alone, that advice was only meant for Arjuna. This is because, God existed in human form by the name of Kṛṣṇa, during the lifetime of Arjuna. The word Kṛṣṇa means the one who attracts souls. Any Human Incarnation of God attracts souls and hence, every Human Incarnation is Kṛṣṇa alone. The unimaginable God existing in Kṛṣṇa attracted the devotees and the same unimaginable God also exists in every Human Incarnation. The words ‘I’, ‘Me’ etc., mentioned in the Gītā indicate the inner unimaginable God existing in Kṛṣṇa and not the external name and form. Understanding this is the main step for achieving Universal Spirituality.

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