If it is packaged now, it will be cooked in 5 minutes, and if it is frozen, it will take about 10 minutes. It's almost ripe when it floats.

Cook over high fire, and put more water. When the water boils first, it will be chaotic if it rains. Wait a minute or two for the water to boil again, add some cold water, boil again, and continue burning for 4-6 minutes.

In the meantime, you can shake it to prevent it from sticking to the pot and getting confused.