your son should not be given fats and oils at all. Light food which should be semi liquid like rice and lentils boiled, juices, simple soups etc and glucose
water. Sugarcane juice is very beneficial.
Blood reports are improving and it may take another two weeks before normalisation.
However you can add LIV 52
herbal tablet ( Ayurveda), which is specific for such liver
disorders to reduce the recovery time.