Look, you need to keep target for your self and control over many edible things i.e need to avoid rice as well wheat(as this contain gluten), exclude many forms of simple carbohydrates, keep your diet protein and fibre rich. Self Exercising may not be beneficial as positions while exercise matters. For beginning star with walking. But modify it little, walk in form of 8 shape for 10 mins increasing over a week of time till 1/2 an hour to 1 hour. This will help you lower your tummy as well create curves by sideways. Any other queries or want to take appointment can message me personally.