How many calories per day for weight loss?

It depends on the activity, normally for sedentary worker needs 1500-1600calories for wt lose . very strict diet needs minimum 1400calories per day.

If your goal is to lose weight by burning off excess body fat, aim to eat 500 fewer calories per day than your daily caloric needs, and maintain or increase your exercise activity.

Do not go below 1200 calories per day unless you are on a medically supervised weight loss program or after consultation with your doctor.