Welcome to HCM,
Your weight is quite less.
Rule out anemia
as this is very common.
Take well balanced diet,
Take plenty of protein food like milk,pulses,cereals,eggs, fruit juices,cheese,paneer products.
Take moderate amount of fat and carbohydrates.
Take plenty of green veggies and fresh fruits.
Take B.complex,Iron capsules and multivitamin
Ok and bye.