You can also credit him for AGP (Accelerated Graphics Port), PCI Express, Platform Power management architecture, and various chipset improvements.

15. USB was developed and defined by Ajay V. Bhatt, who is an Indian-American computer architect: 

Kridapatram, which also means "painted rags for playing" is an early suits game, made of painted rags. It was invented in Ancient India.

16. India invented a card game called Suits: 

Jainism has historically been largely confined to India, whereas Buddhism originated in India but subsequently flourished and developed several branches in other Asian countries.

10. Buddhism and Jainism originated in India: 

It is a device for measuring growth in plants and was invented in the early 20th century by Sir Jagadish Chandra Bose.

13. Crescograph is an Indian invention: 

Although Babylonians used zero to signify the 'absent', Indians were the first to use zero as a symbol and in arithmetic operations.

2. India gave the world the numeral, Zero: 

Using an astronomical model developed by Brahmagupta in the 7th century, Bhaskara accurately defined many astronomical quantities, including the length of the sidereal year, the time that is required for the Earth to orbit the Sun.

9. Bhaskaracharya rightly calculated the time taken by the earth to orbit the sun: 

Ayurveda is an ancient system of medicine that dates back to Iron Age India (1st millennium BC) and is still practiced today as a form of complementary and alternative medicine.

8. Ayurveda originated in India: 

Vinod Dham is also known as the Father of the Pentium chip, for his contribution to the development of highly successful Pentium processors from Intel.

19. The Pentium Chip was invented by an Indian: 

The word shampoo is derived from the Hindi word chāmpo and dates to 1762. The shampoo itself originated in the eastern regions of the Mughal Empire where it was introduced as a head massage, usually consisting of alkali, natural oils, and fragrances. Shampoo was first introduced in Britain by a Bengali entrepreneur from Bihar named Sake Dean Mahomed.

5. Shampoo originated from India: 

It was originally called ' Mokshapat'. Snakes and ladders originated in India as a game based on morality. During the British rule of India, this game made its way to England and was eventually introduced in the United States of America in 1943.

7. Snakes and Ladders was inspired by an Indian game called Mokshapat: 

The trigonometric functions sine and versine originated in Indian astronomy. They were described in detail by Aryabhatta in the late 5th century but were likely developed earlier in astronomical treatises of the 3rd or 4th century. Later, the 6th-century astronomer Varahamihira discovered a few basic trigonometric formulas and identities, such as sin^2(x) + cos^2(x) = 1.

18. And described Trigonometric functions: 

India is a vast land brimming with talented and creative people of diverse backgrounds. There are many wonderful things India has introduced to the world. From 0 to the world's first university, from Snakes & Ladders to shampoo, India has been quite the Santa Claus.

India.

The founder of the cashmere wool industry is traditionally held to be the 15th-century ruler of Kashmir, Zayn-ul-Abidin, who employed weavers from Central Asia. The mention of woolen shawls made from this wool in Kashmir is found in several books between the 3rd century BCE and the 11th century CE.

14. Indians discovered the cashmere wool: 

Ornamental buttons made from seashells were used in the Indus Valley Civilization by 2000 BCE. Some buttons were carved into geometric shapes and had holes pierced into them.

4. Indians were the first ones to use and invent buttons:

The process of producing crystallized sugar from sugarcane was discovered by the time of the Imperial Guptas, and the earliest reference of candied sugar comes from India. The process was soon transmitted to China by traveling Buddhist monks. Chinese documents confirm two missions to India, for obtaining technology for sugar-refining.

20. India gave candied sugar to the world: 

Chess is believed to have originated in Eastern India, c. 280 – 550 CE, in the Gupta Empire, where its early form in the 6th century was known as chaturaṅga.

3. The game of Chess originated in India: 

One of the notable scholars Rishi Kanada gave the concept of the atom long before John Delton was born. Rishi Kanada proposed that parmanu (atom) is an indestructible particle of matter. He also stated that anu can have two states – absolute rest and a state of motion.

21. THEORY OF ATOM: 

As early as 700 B.C., there existed a giant University at Takshashila, located in the northwest region of India. It had 300 lecture halls, laboratories, a library, and a towering observatory for astronomical research. A Chinese traveler, Hien Tsang wrote in his diary that it had 10,000 students and 200 professors.

1. India gave the world its first university - Takshashila University:

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In India, cataract surgery was performed with a curved needle used to loosen the lens and push the cataract out of the field of vision. The eye would later be soaked with warm butter and then bandaged. Though this method was successful, Susruta cautioned that cataract surgery should only be performed when absolutely necessary. These methods were later spread to the world.

12. Cataract surgery was first found in ancient India: 

Kearns & Nash (2008) state that the first mention of leprosy is described in the Indian medical treatise Sushruta Samhita (6th century BCE). However, The Oxford Illustrated Companion to Medicine holds that the mention of leprosy, as well as ritualistic cures for it, were described in the Atharva-Veda (1500–1 200 BCE), written before the Sushruta Samhita.

6. India gave the cure for Leprosy: 

This sequence was first described by Virahanka (c. 700 AD), Gopāla (c. 1135), and Hemachandra as an outgrowth of the earlier writings on Sanskrit prosody by Pingala.

11. Indians were the first ones to describe the Fibonacci pattern of numbers: 

Jute has been cultivated in India since ancient times. India also exported raw jute to the western world, where it was used to make ropes and cordage. The Indian jute industry was later modernized during the British Raj in India.

17. India taught the world to cultivate Jute: 

India is a vast land brimming with talented and creative people of diverse backgrounds. There are many wonderful things India has introduced to the world. From 0 to the world's first university, from Snakes & Ladders to shampoo, India has been quite the Santa Claus.