Prescribe versus Proscribe
prescribe = recommend as something beneficial; to give medical prescriptions
1) The doctor prescribed three months of physical therapy for my leg injury.
2) You are bound to follow the rules as prescribed by the authorities.
proscribe = forbid, especially by law.
1) Regulations proscribe the use of mobile phones in the examination halls.
2)The education department proscribed the controversial portion from the syllabus.