First you decide how much you want to loose?
Slash 100 calories to lose 5 kilos/year
Slash 250 calories to lose 11 kilos/year
Slash 500 calories to lose 22 kilos/year
you may need to cut more or fewer calories depending on your age gender and weight.
After deciding this you need to work on it so exercise is obviously important so see through you daily exercise.
Exercise- do some yoga and go for walk,jogging,do ups amd down bend down so tat it looses fats from stomach.And to flatten your tummy do some strecthin exercise which strectches your stomach so tat u can loose some fats.Everyday you do need to exercise 1hour.
Meal- Meal is very important.see that you dont skip your Breakfast,lunch and dinner.Breakfast is very important have something light have fruits and drink milk to get energy in breakfast.In lunch have Chapati with vegetables,dal and have salads after your lunch so that it get digests fast .In dinner you must have somehthin light things.
Dont take fat and oily items you need to avoid it like chocolates,chips,samosa,sweets.
Drinks-you need to drinks lots of Water atleast 10 to 15 glasses.Avoid cold drinks and wine beer istead go for coconut water.
i lost 6 kilos by applyin this and kept it consistent in my life...