Hi dear, you get your thyroid level checked and a visit a physician to detect any other physical issues you are having or not. Else may be your genetic stature is thin. No worries, if all OK. Then definitely you can increase little weight and not look sickly. You need to have some high calorie yet nutritious foods like peanuts, nuts, banana, high protein foods. Try these along with some strengthing exercises for about 20 min a day. For further specific clarifications, you can surely get in touch with me personally.

You may be lean and thin genetically or having any other problems, let me know. By the time take high protein diet including pulses,paneer,soya products, white chicken or fish if you eat and egg whites. Do some regular physical activity daily for 50 mnts and try to make regular food intake time and maintain lifestyle. Connect with me for detailed guidance.

This must be ur metabolism and the type of body... you introduce sum pranayams like anulom n vilom. Take soyamilk..Take proteins in predigestive form..