Getting a flat belly is no joke and many people have tried different methods to get rid of their abdominal flat. But if you spare just half an hour every morning or for that matter any time of the day you can easily get washboard abs. There are some specific yoga asanas that can give you a flat tummy in no time. You just have to know how to do these the right way. Here we reveal the 5 best yoga asanas that are guaranteed to give you a flat belly in under a week. Ardha Purvottanasana This pose is