The field of journalism may be really competitive, but it's also important to society. If you've been bitten by the journalism bug, then you definitely want to do your best so that you can be successful in your field. With a bit of hard work and a great attitude, you can be a good journalist.

1) Improving Your Writing Skills-

• Keep a journal or log of your activities.
• Start a blog

2) Build your grammar skills.

3) Use sample texts to help you develop new skills. 

4) Be speedy and accurate.

5) Stay up-to-date on news and events.

6) Form good relationships with others. 

7) Network with other journalists.

8) Develop confidence.

9) Conduct your own research.

10) Expand your knowledge base.

All the best.

You can go to the following link for help as well - 

http://www.journalismdegree.com/become-a-journalist/