Idol Worship is Prohibited in #Hinduism :

God is bodyless & pure
[Yajurveda, Chapter 40, Verse 8]

"They are entering darkness, those who worship the natural things (like air, water, fire etc.), they are sinking more in darkness who worship created things."
[Yajurveda, 40:9]

"God is one and only, not a second"
[Chandogya Upanishad, Chapter 6, Section 2, Verse 1]

"Of him (God), there is no parents, no Lord" [Svetasvatara Upanishad, Chapter 6, Verse 9]

"Those whose intelligence has been stolen by material desires, they worship demigods"

[Gita 7:20]

"There is no likeness of him" [Svetasvatara Upanishad, 4:19]

"His form cannot be seen, No one can see him with the eyes"
[Svetasvatara Upanishad, Chapter 4, Verse 20]

"There is only one god, Not a second one, not at all, not at all, not in a least bit"
[Brahma Sutra]

"Do not worship anyone besides him alone, praise him alone" [Rigveda, Book 8, Hymn 1, Verse 1]

"Praise him would matchless and alone" [Rigveda, Book 6, Hymn 45, Verse16]