Ingesting any pesticide, including Laxman Rekha (which contains the active ingredient cypermethrin), is a serious health hazard and requires immediate medical attention. Here’s what you should do if a child ingests this substance:

Immediate Steps:
Do Not Induce Vomiting: Inducing vomiting can cause further harm.
Check for Symptoms: Symptoms of cypermethrin poisoning can include nausea, vomiting, abdominal pain, dizziness, headaches, and in severe cases, seizures and respiratory distress.
Rinse the Mouth: If the child is conscious, rinse their mouth with water to remove any remaining substance.
Call Emergency Services: Contact emergency medical services or take the child to the nearest emergency room immediately.
Contact Poison Control: Call your local poison control center for specific advice on what to do next.

Medical Treatment:
Activated Charcoal: In some cases, medical professionals may administer activated charcoal to help absorb the toxin.
Supportive Care: Treatment may include intravenous fluids, medications to control symptoms, and monitoring of vital signs.
Hospitalization: In severe cases, hospitalization may be necessary for ongoing care and monitoring.

Prevention:
Always store pesticides and other hazardous substances out of reach of children.
Use child-resistant packaging when available.
Educate children about the dangers of ingesting unknown substances.

Ingesting Laxman Rekha or any other pesticide is a medical emergency. Prompt action can save lives and prevent serious health complications.