Hello Ayush Kumar,

Zero is the first  whole number of the number system.

Many civilizations around the world discovered ZERO independently including Egyptian and Sumerian. According, to the Harvard professor Robert Kaplan, the first zero is used in Mesopotamia almost 5000 years ago. Later by Babylonians, Sumerians and the Chinese.

The first modern equivalent of zero in India comes from a Hindu astronomer and mathematician BrahmaGupta in 628.

Aryabhatta of the classical age also gave the digit "0" was a astronomer.

HOPE THIS HELPS