You have to take a nutritionally balanced diet which comprises of all the food groups to provide maximum nutrients however our food is missing or deficient in many of the nutrients. You have to increase 500 calories every day to see up to 2 kgs weight in a month, for that if you take 1 glass of milk shake or smoothie with honey instead of sugar. You need to eat well balanced of diet comprised of grains like rice/wheat, pulses/legumes, lots of fruits and vegetables, fist full of dry fruits at least 500 gms of milk for calcium in a day. You also need 20 mints of workout regularly and 7 hours of good - night sleep. Is your appetite is alright? If not, then you might have iron deficiency along with others.

Take high protein diet. Take small and frequent meals at regular intervals of 2-3 hrs. ask me privately for customized diet plan for you.