First of all, get yourself tested for thyroid - disorder. In case, your TSH is high, you are suffering from hypothyroidism and the same can be kept under control by taking suitable dose of Thyronorm or any suitable medicine as prescribed by a reputed endocrinologist. Sometimes, there are certain medications such as Paxil and others which can contribute to weight - gain. If such conditions are not applicable to you, you can apply following tips for weight - reduction.
1) In order to enhance your metabolism, you may take two glasses of hot water added with some lemon - juice in each glasses. This will help in removal of toxins from your system and you would get positive result shortly.
2) Involve yourself for brisk walk regularly in the morning for 30 minutes. This will help you to burn excess fat accumulated around Belley.
3) Include salads along with meals such as Cucumber, Tomatoes and Onions to take care of the excess - weight. Tomatoes contain Lycopene which helps in reduction of weight.
4) Seasonl fruits such as Apples, Avagados and Papaya are very effective in controlling weight. Apar from it, they are the source of essential Vitamins such as B and C apart from other valuable nutrients.
5) Green tea contains abundant antioxidants and as such it's regular use early in the morning and evening would help in shedding weight.
6) Sound sleep for at least eight hours during night is essential to tone up the entire system of the body.
7) Inclusion of sufficient Protiens such as Curd, Eggs and Chickens is essential to maintain healthy weight.
8) Water - intake should not be less than 2.5 litre for the proper digestion of food and in addition to it, Water helps in removal of toxins from the system.