Hi thanks for your question. First thing building muscle is not shirt term matter but consistent efforts. U need to make high calorie high protien diet plan,work out plans .so entii meal plans with timing to eat, what to eat & how much .Take a Dietitian help to get a really effective plan. U need at least 3400kcal energy. half carbohydrate, 25% protien rest fat by cooking oil.dry fruits, nuts,banana, high quality protien products will help u surely.U can write me your present plans.

You need to have foods which build muscle mass. You can write me on personal. Chat. To let you know more about foods between muscle and fat building.