Concept:
Latitude lines are imaginary east-west circles used to locate places on the Earth's surface.
Analysis:
• The Tropic of Cancer lies at approximately $23^\circ 30'$ North latitude.
• It passes almost through the middle of India and divides the country into tropical and subtropical regions.
• It passes through eight Indian states:
Other Options:
• Equator lies at $0^\circ$ latitude.
• Tropic of Capricorn lies in the Southern Hemisphere.
• Prime Meridian is a longitude line passing through Greenwich.