Hello, your ideal body weight should be 67-70kgs. You have to decrease another 15kgs at least.If you take diet and exercise seriously, I think you can reach your ideal body weight. However, It is little difficult if you have a family history but not impossible. So start with your diet right away and be physically active. Avoid outside eating, processed foods, refined foods, and take more of salads,fruits and high fiber and high protein diet. I will give you a more personalized diet chart for which I need more of your details.

Hello,  belly fat is mainly due to lack of activity qnd sedentary lifestyle. Thus it's most important to do exercise daily atleast for 30-40 mins. Regarding diet you should avoid oily and fries foods, sweet, refined products completely. Also include more of fruits and vegetables, sprouts and whole grains.