The suitable method for disinfection of swimming pool water is

Chlorination is the suitable method for disinfection of swimming pool water. Chlorine is commonly used to disinfect swimming pool water because it is effective in killing bacteria, viruses, and other microorganisms that can thrive in water. It helps maintain safe and sanitary swimming conditions by preventing the spread of waterborne diseases.

The other options are not typically used for disinfecting swimming pool water:
Option A: Ultra violet rays treatment is a method for disinfection, but it is less commonly used in swimming pools.
Option B: Lime treatment is not primarily used for disinfection but may be used for water conditioning and pH adjustment.
Option C: By using potassium permanganate is not a common method for swimming pool disinfection.

So, the correct answer is Option D: Chlorination, which is the standard and effective method for disinfecting swimming pool water.