Q. A rainy day as defined by the Indian Meteorological department is a day when the rainfall at a point received is

• (A) 0.5 mm to 1 mm in 24 hours
• (B) 1.1 mm to 1.5 mm in 24 hours
• (C) 1.6 mm to 2 mm in 24 hours
• (D) above 2.5 mm in 24 hours