Hi, I understand your concern. For weight gain calorie rich n nutritious foods are required. Have nuts, banana smoothies, milk shakes, avocados, whole grain cereals. Sprouts, dal, rajma, lobia, ragi. Also eggs, fish or lean meat if non veg. Do right type of exercises to gain weight under a professional guidance. Beard

Hi there understand your concern. Include calorie dense foods like avocado,nuts,peanut butter,heavy cream,banana,dates. Include protein rich foods like dal,pulses,paneer,whole eggs-2,chicken,fish.Avoid exercise as we are looking for weight gain. For his beard growth it can be hormonal reasons do consult a doctor for the same.