Zero Mile Stone is located in which city of India?

Concept: A zero milestone is a designated distance origin: a marker fixed at the reference point from which an administration measures and displays the official road distances to other places.

Where that origin is placed is a choice made by the administration concerned. Some place it in the capital, others at a point they take to be the centre of the territory being surveyed, so identifying a particular zero milestone means recalling the specific point that administration chose.

Application: For colonial India the British fixed that origin at the point their Great Trigonometrical Survey work identified as the geographical centre of undivided India, and in 1907 they erected a sandstone pillar there, topped by four stucco horses, with the distances to the surrounding cities carved on it. That point lies in Nagpur, in present-day Maharashtra, which was then the capital of the Central Provinces and Berar.

Cross-check: The other cities offered are identified with entirely different landmarks, and none of them carries that colonial distance-origin pillar:

• Bhopal is the administrative capital of Madhya Pradesh, known for its Upper and Lower Lakes.

• Jabalpur stands on the Narmada in Madhya Pradesh, known for the marble gorge at Bhedaghat.

• Indore is the largest city of Madhya Pradesh, the Holkar seat on the Malwa plateau.

Result: The Zero Mile Stone stands in Nagpur, Maharashtra.