Exercising along without tracking your diet is not good and won't be effective alone. If you want to loose weight by exercising means you need to burn more calories, than you consume or eat less calories each day. In order to be effective of loosing weight program, you have to be restrict with your diet. Don't focus on scale because they are just numbers, focus more on how do you feel, when you feelgood when you exercise everyday that means, you are burning calories. The scale will follow later on , you maybe gain some muscles as some fats will become muscles, just like my cousin did. She was skinny and she want to gain weight by building up muscles. It will take a lot of patient and more perseverance to loose weight. Strick diet and discipline is necessary to win this game. Asif you battling to loose weight, then you can win the fight you aiming for.