Explanation:

hymns and songs mixed with Aryan progress 

Rigveda is regarded as one of the most sacred texts of Hinduism. It has fascinated scholars and historians due to its significance and antiquity. It is a collection of ancient Indian collection of Vedic Sanskrit hymns. The Rigveda is divided into ten books which are known as Mandalas It is a collection of 10,600 verses and 1,028 hymns It is the oldest text in any Indo-European language It has originated from early as 1700 BC The Angiras (rishi family) has composed 35% of the hymns and the Kanva family who has composed 25% of Rig Veda. Many verses of the Rig Veda are still used as very significant Hindu prayers and during rituals. It contains numerous secrets and clarifications about the origin of the world, the importance of the Gods and a lot of advice for living a satisfying and successful life. As per to the Rig Veda, the Universe devised from Prajapati, the initial God and the principle basis of creation. The hymns are known as Sukta that were composed to be used in rituals. Indra is the chief deity cited in the Rig Veda.