What food is to be taken to reduce hair fall?

Variety of calories: Eat enough calories (i.e. Avoid fad/crash diets) with variety of food choices, esp protein (chicken, fish, nuts, beans, eggs, meat), trace minerals like iron, magnesium, zinc and biotin (red meat, green leafy vegetables, shellfish, whole grains like cereal) and vitamins B6 (bananas, potatoes, spinach), B12 (meat, poultry, fish, dairy) and folic acid (citrus fruit, tomatoes, lentil/black beans.)