Hai,
As losing weight without disturbing the calorie is the ideal way.
but the choice of food should need a change.
as rice is the one which increase your weight.kindly less your
carbohydrate source add wheat,maize,millets in your routine food intake.
Be hydrated.take 3-5 litres of water.
Add more leafy vegetables like spinach,gourd,cucumber more fiber containing vegetables.
avoid taking frequent intake
trans fat food ,junk food,fried items.
use salad,fruit juices etc daily.
continue your exercise program.
kindly take steamed ,less quantity of food in night.
To regulate all together i advise you
yoga to maintain fit and weight in control.
hope i clarified your query