The Standard Meridian of India is an imaginary line that determines the time difference for different regions within India. Option 3, Mirzapur, is the correct answer as the Standard Meridian passes through this city.
Bhopal (option 1) is not the correct answer, as the Standard Meridian does not pass through this city.
Visakhapatnam (option 2) is also not the correct answer. Despite being in close proximity to the Bay of Bengal, the Standard Meridian does not pass through this city.
Raipur (option 4) is also not the correct answer. The Standard Meridian does not pass through this city either.
In summary, the correct answer is option 3, Mirzapur, as it is the city where the Standard Meridian of India passes through.