1. Paraphenylene Diamine (PPD) Kalapathar Availability As constituent of hair dyes Mode of intake Ingestion Forensic Aspect Suicidal purpose Major Mechanism of action Highly toxic on the respiratory, muscular and renal systems Antidote Gastric levage with activated charcoal Special remarks if any Early gastric levage can save the life otherwise toxicity leads to failure of respiratory cardiac and renal systems Availability As constituent of hair dyes Mode of intake Ingestion Forensic Aspect Suicidal purpose Major Mechanism of action Highly toxic on the respiratory, muscular and renal systems Antidote Gastric levage with activated charcoal Special remarks if any Early gastric levage can save the life otherwise toxicity leads to failure of respiratory cardiac and renal systems

2. Benzol Availability Industrial exposure (canning Factory & Tire Factory). Additive to Gasoline, diesel fuel and paint factories Forensic Aspect Suicidal and accidental Clinical Features Conjunctivitis, Bronchitis Gingivitis, Stomatitis, Gastritis, Symptoms of Anemia Pallor, Muscular weakness Gastric upset and vomiting, dizziness, headache, sense of constriction about the head and chest however chronic benzol poisoning is accidental Major Mechanism of action Sever anemia associated with hemorrhage or purpura Special remarks if any It is one of the differential diagnosis of aplastic anemia and thrombocytopenic purpura Availability Industrial exposure (canning Factory & Tire Factory). Additive to Gasoline, diesel fuel and paint factories Forensic Aspect Suicidal and accidental Clinical Features Conjunctivitis, Bronchitis Gingivitis, Stomatitis, Gastritis, Symptoms of Anemia Pallor, Muscular weakness Gastric upset and vomiting, dizziness, headache, sense of constriction about the head and chest however chronic benzol poisoning is accidental Major Mechanism of action Sever anemia associated with hemorrhage or purpura Special remarks if any It is one of the differential diagnosis of aplastic anemia and thrombocytopenic purpura

3. Wheat pill (Aluminum phosphide )poisoning Availability Available as indoor and outdoor fumigant and insect/ rodent repeller Mode of intake Ingestion Forensic Aspect Mostly it is suicidal. Major Mechanism of action Phosphine gas, ammonia and carbon dioxide are librated. MOF Special remarks if any Poisoning can be confirmed by silver nitrate paper breath test Availability Available as indoor and outdoor fumigant and insect/ rodent repeller Mode of intake Ingestion Forensic Aspect Mostly it is suicidal. Major Mechanism of action Phosphine gas, ammonia and carbon dioxide are librated. MOF Special remarks if any Poisoning can be confirmed by silver nitrate paper breath test

4. Organophosphate (OP) compounds Availability Insecticides, antihelmintics (trichlorfon) Mode of intake Oral /Dermal Forensic Aspect Mostly it is suicidal but sometimes accidental Major Mechanism of action Respiratory distress Antidote Atropine Special remarks if any Health care providers must avoid contaminating themselves while handling patients (PPE) Availability Insecticides, antihelmintics (trichlorfon) Mode of intake Oral /Dermal Forensic Aspect Mostly it is suicidal but sometimes accidental Major Mechanism of action Respiratory distress Antidote Atropine Special remarks if any Health care providers must avoid contaminating themselves while handling patients (PPE)