The credit for this goes to the Indus Valley Civilization as the earliest button found is around 5000 years old and made out of a curved shell.
Initially known as Chaturanga, this game originated in India during the Gupta dynasty.
The invention of rulers and scales dates back to the Indus Valley Civilization prior to 1500 BCE. They were made from ivory back then.
This game originated in India and made its way to England during the British rule of India and to USA by 1943.
Indian physician Sushruta introduced the cataract surgery by using a special tool made of a curved needle in the 3rd centure CE.
The credit to plastic surgery also goes to ancient Indian physician Sushruta and dates back to 2000 BCE.
Natural fibers like jute, cotton and wool owe their current existence to India, and to be precise, the Indus Valley Civilization during the 5th millennium BCE
Diamonds were first mined in India around 5000 years ago when alluvial deposits of the stone were found along the banks of rivers Penner, Krishna and Godavari.
Sushruta Samhita, a text prepared by the Indian physician Sushruta, was the first ever medical encyclopaedia containing the foundation texts of Ayurveda and describing surgical training, instruments and procedures.
The use of ink in writing was discovered in India around the 3rd millennia BCE, by mixing several chemical components with the carbon black.