The Upanishads are part of Vedas- the oldest scriptures of Hinduism. They contain revealed truth (shruti) about Brahma (god), the ultimate reality and the way of salvation (moksha). Chandogya Upanishad is a Sanskrit text embedded in Chandogya brahmana of the Sam Veda of Hinduism. It was one of the largest Upanishadic compilations and has eight chapters, each chapter contains multiple volumes and verses. This was published by Gita Press Gorakhpur, the world’s largest publisher of Hindu religious texts. It was first established in 1923 to promote Hinduism through its 2000+ books across 15 languages. This book is written in Sanskrit and includes the meaning of text in Hindi!