Often, many practices in Indian culture that we label today as blind superstition have very logical explanations behind them. This post lists various articles by yogi and mystic, Sadhguru, as he explains how Bharat has always been a magnet for spiritual seekers, and looks at the basis behind the various elements of Indian culture and customs.
Every culture is valuable to that particular population largely for emotional and territorial reasons. But the significance of Indian culture is that it is a scientific process towards human liberation and well-being. No other culture has looked at a human being with as much depth and understanding as this culture has. No other culture has looked at it as a science and created methods to evolve a person into his ultimate nature. We know if you do certain things, this will happen to a human being. To put it very bluntly, I would say we have technologies as to how to manufacture an enlightened being.