Vedic Doctrine of Hinduism

By the end of the Later Vedic Age, six prominent schools of Hindu Philosophy had been established. They are as follows:

Darshans	Authors	Year of Beginning	Original Book	Theme
Nyaya	Gautama	6th BC	Nyaya Sutra	It is a logical quest for God. It tells that the material power Maya, with the help of God, becomes the universe.
Vaisheshik	Kanada	6th BC	Vaisheshik Sutra	It aims is to receive happiness in this life and finally ultimate liberation through the attachment of true knowledge of the Divine.
Sankhya	Kapila	6th BC	Sankhya Sutra	It explains that the aim of Sankhya is to eliminate all kinds of physical and mental pains and to receive liberation.
Yoga	Maharishi Patanjali	2nd BC	Yog Sutra	It has four chapters and accepts three kinds of evidences for determining the aim of life.
Purva Mimansa	Jaimini	4th BC	Purva Mimansa Sutra	It is condensed explanation of Vedic theme and at the same time, the classification of its issues.
Vedanta (Uttara Mimansa)	Maharishi Vyasa	4th BC	Uttara Mimansa Sutra	It explains that Brahama Sutra is for that person who has a real deep desire to know God. True liberation could only be attained by lovingly surrendering to Him.

Vedic Civilisation

Origin of Indian Music - Samveda Mention of Word 'Shudra' - Rigveda 10th Mandala Gayatri Mantra - Rigveda Mention of word 'Yajna' - Brahmana Somaras (drink) - Rigveda (9th Mandala) Varna - Rigveda Four fold division of Society - Rigveda 10th Mandala Mention of four Ashrams - Jabala Upanishada War between Aryan & Dasas - Rigveda Transmigration of Soul - Brahadaranyka Upanishada

Five divisions of India - Aiteraya Brahamana Wife and Husband are complementary - Satapathabrahmana Battle of Ten kings - Rigveda (7th Mandala) Superiority of Brahmins - Aiteraya Brahmana Rajanaya - Rigveda 10th Mandala Marut as Agriculturist - Satpatha Brahmana Satyameva Jayate - Mundaka upanishada Pashupath Shiva - Atharveda Vishnu - Satapatha Brahmana Conversion between Yam & Nachiketa - Katha Upanishada