God, who is the embodiment of Truth and Right and Justice, can never have sanctioned a religion or practice which regards one - fifth of our vast population as untouchables.
I know, to banish anger altogether from one's breast is a difficult task. It cannot be achieved through pure personal effort. It can be done only by God's grace.
Scientific research is based on the idea that everything that takes place is determined by laws of Nature, and therefore this holds for the action of people. For this reason, a research scientist will hardly be inclined to believe that events could be influenced by a prayer, i.e. by a wish addressed to a Supernatural Being.
I find it interesting that the meanest life, the poorest existence, is attributed to God's will, but as human beings become more affluent, as their living standard and style begin to ascend the material scale, God descends the scale of responsibility at commensurate speed.