Answer : 2. "विज्ञान"
Explanation :

The Kalinga Prize is an international award given by UNESCO (United Nations Educational, Scientific and Cultural Organization) for outstanding contributions to the popularization of science. It is awarded to individuals who have effectively communicated and popularized science to the public, promoting a better understanding of scientific issues and fostering scientific literacy. The award is named after the ancient Indian kingdom of Kalinga, which is present-day Odisha in India.