Based on Bhagavad Gita Chapter 07, Text 21
By Chaitanya Charan Das
God by definition is the Supreme Being. And there can be only one Supreme. Yet the Bhagavad-gita talks about multiple worshipable beings, devatas.
Who are these beings?
Some people equate them with the “false gods” condemned in certain religions as God’s competitors.
But the Gita is clear that the devatas are real beings. They occupy in the cosmic administration the posts of departmental heads under the Supreme Being, Krishna. As they have some of the powers of God, Gita commentators often refer to them as demigods.
Through the demigods, Krishna facilitates the progress of people who are not spiritually evolved enough to worship him. By arranging for his subordinates, the demigods, to act as his surrogates, intermediate objects of worship, he provides people the facility to worship according to their mentalities.
Read More – http://www.gitadaily.com/2014/01/29/the-demigods-are-not-in-competition-with-krishna-but-are-in-a-progression-to-him/