In that case increase your Reps and train with more Weights!! It takes 2500-3000 Calories to maintain weight (www.caloriecontrol.org/healthy-weight-tool-kit/weight-maintenance-calculator-men), so do Increase your Smart Calorie intake (Real Protein--FISH,MEAT,Protein Rich Vegetables, Fruits, EGG, Milk) !! Instead to 3 times a day meal eat 6 times of small portion, comprising more than required calorie to maintain!!

+ do Share your Workouts! Trick is not  making it monotonous, do different exercises each day/week/month!!