In Christianity we have the Bible and our God
In Islam, the Koran and Allah
The Buddhists have their Tripitaka, and the Buddha
India Vedic has Krsna.
In vedic scriptures, it appears that it is the spiritual life that is true, and that is what you should consider when meditating. The word OM is important because it will vibrate.
At prayers to God, Krsna, one should never ask for anything for himself.
Yoga is a way to get closer to the spiritual world.
A small book for those who are interested in Indian religions