From there they spread into the Ganges River plains and across India. Some experts say that the religious ideas of the migrants were based on ancient Iranian and Babylonian teachings. These religious ideas, then, became the roots of Hinduism.
संसार में होनेवाली दुष्टता और दुःख - तकलीफों का कारण समझाने के लिए हिंदू ऋषि - मुनियों ने कर्म की शिक्षा की शुरुआत की ।