India and its literary background

When I cast my eye on the deer
That flees in fear, and when I look at you
With your bow and arrow, I seem to see none
But the great Pinaki in human form
Descending on earth to chase the deer. [Sakuntala]

1. Hymns from the Rig Veda
2. The Chandogya UpanishadUpanishad Sitting nearby the Fire (उप + नि + सद् + क्विप्). Isaopanishad is the 40th Chapter of Yayur Veda. Brihadaranayaka Upanishad is the 14th Kanda of Satapath Brahman. Most of the 108+ Upanishads are fake books. Shankar Commented on only 10 Books. on Brahman and Atman
3. The Upanishads on KarmaKarma A technical term to define every human action done voluntarily. Lawful Karma (Dharma) leads to the path of enlightenment. and Reincarnation
4. The Bhagavad GitaBhagavad Gita This book including 'Anu Gita' is possibly interpolated in Mahabharata. In Anugita (अनुगीता) Krishna criticized Arjuna as an Idiot as he forgot the wartime teaching of Krishna. In Gita, the author tried to resolve almost all issues about society and Dharma. Sankara wrote a commentary on it. The existence and immortality of Atman and rebirth are the main subjects of it. Karma is the source of Birth, then how there was a first birth, was not answered by Krishna, Goutama, and Mahavira. After this book, several fake Gitas were written to encash its popularity. This book claims to be the summary of all Upanishads.
5. SanskritSanskrit It is the oldest living language and civilizational mark. The language of Rig Veda or Atharva Veda (10000 years old) is a pre-Sanskrit Vedic language. It has its own Pratisakhya (Grammar) and Nirukta (Vocabulary).  40% of Tamil is Sanskrit. Before the written form, it was in the form of oral tradition. Such is the case of  Six Kanda Ramayana. Before Valmiki, it was in Oral form. Sanskrit has been the language of  Jambudvipa. The mother tongue of Sunok, Vasistha, Viswamitra or grandparents of  Zarathustra (Resource person of Abrahamic Religions) was the language of Rig Veda. The legend goes that the origin of Sanskrit is the sky, therefore, it is called Deva Bhasa. Poetry: Selections from the Treasury of Vidyakara
6. Vidyapati: Love Songs to Krishna
7. Kautilya: The Arthashastra
8. The Buddha: The First Sermon (Sutta of Turning the Wheel of the Doctrine)
9. Ashoka Maurya: Inscriptions
10. The Pure Land Sutra
11. Kalidasa: The Recognition of Sakuntala