Step 1: Understanding the Question:
• The question asks for the scale of Survey of India topographical sheet No. 71E/NW.
Step 2: Detailed Explanation:
• Sheet 71 is a degree-sheet series; 71E is a 1:250,000 sheet (1 inch to 4 miles).
• A quarter of such a sheet, such as 71E/NW, is on the 1 inch to 2 miles scale (about 1:126,720).
Step 3: Final Answer:
The correct option is (C) 1 inch to 2 miles.