Do add fresh fruits and vegetables in your diet plan also and increase your water intake. Start drinking green tea and avoid beverages, soda and even diet soda. For abs do make a set of renegade dumbbell rows, mountain climbers on floor and front squats with barbell as they are effective exercises for abs.
One of the most effective weight loss plans / diets is the anti-carbs one. All you have to do is cut down drastically on carbs and you will see the results very soon. Coupled with your lifting and gymming schedule, you should have no problem seeing your abs appear in quick time.