Gram flour or chickpea flour or besan is a pulse flour made from a variety of ground chickpea known as Bengal gram. This flour is used to make a variety of dishes.
One cup (92 grams) of chickpea flour contains 
Calories: 356
Protein: 20 grams
Fat: 6 grams
Carbs: 53 grams
Fiber: 10 grams
Thiamine: 30% of the Reference Daily Intake (RDI)
Folate: 101% of the RDI
Iron: 25% of the RDI
Phosphorus: 29% of the RDI
Magnesium: 38% of the RDI
Copper: 42% of the RDI
Manganese: 74% of the RDI