A case Presentation on Lactic Acidosis, Hyperammonemia & Vitamin D Defficiency Mehrima Binte Hasan, hailing from a village of Cumilla presents with- complains of development delay, behavioral problems. According to her parents, she was well stable after birth until before two years. In past two years, she is being less responsive to others gradually. In addition, she is not physically growing like other kids, which concerns her parents. Age: 7y 3m Height: 114 cm (Less height for Age) Weight: 16 kg (Less weight for Height) EBW: 19.4 kg