The Vedic civilization flourished in India during the period of 1500-1000 BCE.

The Isha Upanishad is not a major Upanishad, while the Brihadaranyaka Upanishad, Chandogya Upanishad, and Katha Upanishad are.

Gautama is considered the founder of the Nyaya school of philosophy.

Mimamsa is not a major school of Indian philosophy, while Nyaya, Vaisheshika, and Samkhya are.

Kanada is considered the founder of the Vaisheshika school of philosophy.

The Yoga Sutras is not a major work of Indian philosophy, while the Bhagavad Gita, Upanishads, and Brahma Sutras are.

Kapila is considered the founder of the Samkhya school of philosophy.

Lilavati is not a major work of Indian mathematics, while the Sulba Sutras, Aryabhatiya, and Brahmagupta Siddhanta are.

Patanjali is considered the founder of the Yoga school of philosophy.

Srinivasa Ramanujan is not a major mathematician of ancient India, while Aryabhata, Brahmagupta, and Bhaskara II are.

Lilavati is not a major work of Indian astronomy, while the Surya Siddhanta, Aryabhatiya, and Brahmagupta Siddhanta are.

Jaimini is considered the founder of the Mimamsa school of philosophy.

The Samkhya Karika is not a major work of Indian logic, while the Nyaya Sutras, Vaisheshika Sutras, and Tarka Sangraha are.

Badarayana is considered the founder of the Vedanta school of philosophy.

The Bhagavad Gita is not a major work of Indian ethics, while the Dharma Sutras, Artha Shastra, and Kama Sutra are.