Importance of stamina...

Yes, Stamina is one of the most important factor for boxing.
One fight have 3 rounds and each round is of 3 minutes..for playing these 3 rounds, you need a great stamina.
But, the question arises HOW TO INCREASE OUR STAMINA???
So, for increasing stamina, JOG around 15-35 minutes continuously everyday in the morning and evening, in starting you can jog for 10-15 Mins, then increase it day by day.The more you jog , the more stamina you gain.
You can increase your exercise slowly day by day.
You know that its told that, "DON'T FEAR GOING SLOWLY, FEAR TO STAND STILL..."