Answer:
The Gupta empire, is the right answer.
Step-by-step explanation:
The Gupta empire was one of the Ancient Indian Empires. It was founded in 320 CE by king Sri Gupta. Since this period is marked by significant discoveries and inventions in various fields such as science, technology, engineering, mathematics, literature, logic, dialectic, philosophy, religion, and astronomy, it has been called as the Golden Age of India. In mathematics, the decimal system and zero revolutionized the mathematical equations.