What were some inventions the gupta empire made?

The Gupta Empire, which flourished in India from approximately 320 to 550 CE, is known for significant advancements in various fields. Notable inventions include the concept of zero and the decimal system, which revolutionized mathematics. Additionally, Gupta scholars made strides in medicine, including surgical techniques and the use of herbal remedies, and they also contributed to advancements in Metallurgy, such as the production of high-quality steel. These innovations had a lasting impact on science and technology in subsequent cultures.