Dear Pooja, Regular Exercises with the well balanced diet which is low in calories and high in vitamins and proteins will help reduce your weight. When you loose weight,you loose weight all over including your abdomen. Ecercises which help to strengthen abdominal muscles such as cruches and situps will help you. This can also be corrected surgically by measures such as liposuction and abdomino-plasty.For this you may have to consult a plastic surgeon also refer to our following link. https://www.webindia123.com/health/diet/intro.htm