Rearrange the parts of the sentence in correct order.

P: When one gets solved or nears the solution, other starts raising its ugly head.

Q: Threats to our nation building processes are increasing day by day.

R: Tougher punishments should be provided for them in order to weed them out completely.

S: The need of the day is to go for integrated approach with taking steps to solve the poverty, illiteracy and population problems along with tough steps and stern action against the terrorists.