I am 29 years old , i have 2kids i have big tummy after delivery , i am doing ab work out daily, but only 10 to 15 min .how to reduce tummy?

There's no such : Thing as natural spot fat loss. You need to lose weight in general ; a certain % will be abdominal fat. Eat healthfully ; be physically active. Calories burned must > calories consumed. To tighten ab's do crunches, reverse crunches, exercise ball crunches, pelvic thrusts, lying leg raises, side bridge ; “bicycling” exercise on your back. Engage in regular aerobic exercise.

Mommy makeover - 1: Eat healthier and exercise more so that you are at or close to your ideal body weight. If tummy is sagging or bulging then consider having a tummy tuck procedure. This would be considered part 1 of a Mommy makeover.