There are several steps you need to follow to increase your confidence. First of all what you deal with around you is very important and depending on how good you are at that subject and how you can manage people you can establish yourself as a Send Conviction person.
First of all what you are good at is what you do very seriously and you can say with great confidence that you have a high success rate. Next comes your work skill, the task you do repeatedly is less likely to make mistakes and because of this skill you get a confidence in yourself and this confidence becomes very important and useful.
Most of the time we do different things and there are mistakes in that work, but when you work on one thing, your work will be much more enjoyable. Not through any other means. However, there are a few more important things to be aware of when it comes to boosting your confidence. Your speaking skills reveal a person's personality and show how confident you are.