The Holy book for Hinduism is the Vedas. The difference between Hinduism & Catholicism in respects to Scripture is that the Gospel was orally transmitted for nearly 300 years before it was written and mostly agreed on. In contrast, Vedas was Orally transmitted for Thousands of Years, then transmitted to symbols, then eventually transcribed within Another 1,000 Year Stretch between 1500 to 500 BCE to Vedic Sanskrit.
What remains of any Vedas is at best described folklore, tradition, and confusion. Here is the Theological Intelligence Calculations for Folklore: