Lack of drainage system in pakistan.
In Pakistan, the lack of a proper drainage system causes many problems, especially during heavy rains. Cities like Karachi and Lahore suffer from severe waterlogging and flooding. This issue makes it difficult for people to move around and also increases the risk of diseases like dengue and malaria, as stagnant water becomes a breeding ground for mosquitoes. One main reason for this problem is rapid urban growth without proper planning. Buildings and roads are constructed without considering the