A 25 years old man has drunk formalin by mistake. History revealed that he asked water from maid to quench his thirst but unlabeled colorless formalin bottle was kept along with water bottles and she gave formalin. He could not differentiate its taste initially and by the time some wrong liquid is noticed he drank 100 ml. He started having gastric burning and abdominal pain. How to manage this case?

Should police to be informed? In Medical management what should be the line of action? Please advise.