Hello! Your image isn't quite showing up, so this answer could be either the International Date Line, or the Prime Meridian. I'll edit this post as soon as I'm able to see the image. Where is the line located relative to the picture? Is it in the middle going down vertically? Or is it at the edge of the map.
Answer:
The archaeological survey of India is an Indian government agency attached to the ministry of culture
Answer:
Should be the rotation of the earth
Explanation: