Hindu religion is even monotheist and in the religious books of Hindus , we read about the God like Indra and the stories of other demigods etc but all those stories are about the heavens in majority.
I glorify all-knowing, ever-worshipful Lord of the universe, who existed before its creation, who is bestower of all cherished desires and master of all precious materials.Rig Veda 1/1/1
O man, He is the Supreme Spirit, from whose hands this creation has come out, who sustains and destroys it, who is the Lord of this universe, in whom this universe lives, moves and dies. Know him and do not believe any other being to be the creator of the world.Rig Veda 10/129/7
The one supreme ruler, the universal soul within all beings, is the one who makes one form manifold. Eternal happiness belongs to those wise men, who perceive him within themselves, and not to others.Kathopanishad 5/12
He (God) is all pervading, supreme spirit. He is bodyless, He can have no wounds. He is sinew-less, pure, and free from sins. He is all-knowing. He witnesses every thing. He is present everywhere. He is self-existent. He revealed the right knowledge of things through the Vedas, the eternal source of knowledge, to his eternal children, the souls.
Yajur Veda 40/8
From that universally adorable Lord were produced Rig Veda and Saama Veda. From him the Atharva Veda took its birth and the Yajur Veda was produced by him.-Rig Veda 10/90/9
O God, Thou are the creator of the whole world! May you remove from our midst all vices and sins, and bestow upon us whatever is blessed and auspicious. Yajurveda 30/3