Question

suggest 2 ways to minimize wastage of water

Answer 1

Closing the taps during brushing
Check for the leakage
Not over watering the plants
Don’t run the hose while washing your car

Answer 2

Take shorter showers- One way to cut down on water use is to turn off the shower after soaping up, then turn it back on to rinse. A four-minute shower uses approximately 20 to 40 gallons of water. 
 Fix your leaks- Whether you go DIY or hire a plumber, fixing leaky faucets can mean big water savings