In the map given below four areas are differently shaded, three of which indicate cereal crops production areas and one indicates non-cereal crop production area. As per the index given, the non-cereal crop production area is

In this specific geography question from the 1995 exam, the map identifies four crop regions. Standard solutions indicate that areas 1, 2, and 3 represent cereal crops (such as wheat, rice, and millets). Area 4 is the exception, representing a non-cereal crop production area (often identified as a cash crop region like cotton or plantation crops in this context). Therefore, the non-cereal area corresponds to the number 4.