Hi
Include high protein foods to build the muscle & for weight loss. The protein rich diet gives more energy to the body apart from helping to lose weight.
Some of high protein foods are Soy beans is one of a high protein diet, providing lots of extra health benefits such as helping to prevent certain major diseases like heart disease and cancer, soy should be incorporated in any healthy diet.
Whey protein is one of natural protein from cow's milk. Containing lots of amino acids whey provides the body with proteins but contains no fat or cholesterol. Whey protein is beneficial when losing weight and stops feelings of hunger.
Fish is rich source of protein as well as rich in omega 3 .Lots of protein in your diet may in fact boost antioxidants, preventing the body from infections and certain illnesses such as cancer.
Other protein foods are egg white, chicken, whole grains, legumes, dairy & dairy products.
as bhavini said exercise like weight training & cardio exercise are important to weight loss & muscle build.