The Rigveda (Sanskrit: ऋग्वेद ṛgveda, from ṛc "praise" and veda "knowledge") is an ancient Indian collection of Vedic Sanskrit hymns along with associated commentaries on liturgy, ritual and mystical exegesis. It is one of the four canonical sacred texts (śruti) of Hinduism known as the Vedas.
The core text, known as the Rigveda Samnita, is a collection of 1,028 hymns (sūktas) in about 10,600 verses (called ṛc, eponymous of the name Rigveda), organized into ten books (maṇḍalas). It is one of the four canonical sacred texts (śruti) of Hinduism known as the Vedas. In the eight books that were composed the earliest, the hymns are mostly praise of specific deities.The younger books 1 and 10 in part also deal with philosophical or speculative questions,[6] the virtue of dāna (charity) in society and other metaphysical issues in its hymns.

Mandal from 3 to 6