How to get flat abs i am 18 years old boy curring studing in college with height 180cm and weight 80 kg?

Flat abs: most people think that flat abs are about doing a lot of abdominal workouts. although this is important to do exercises such as these, it is much more important to follow a proper diet where you run a negative calorie balance. Losing the abdominal fat is what causes the abs to show up defined

Diet/exercise: To get to this goal would take a lot of won't power. It requires you drop your body fat content to about 5% while toning up the abs. Since most your age have a about 15-20 % body fat, that translates into dropping at least 10 % of your current weight.

Excercise: You will to perform abdominal and core exercise at least 3x/wk to get a 6-pack. Losing weight alone would not give you a 6-pack but would be helpful also. Consult a trainer to get you started.