If your want to improve your spoken English skills, try following few methods:
1. Practice speaking, the more you practice the more you will get confident and habitual with the language.
2. Make friends with whom you can practice speaking in English.
3. Read Newspapers, books, articles, blogs etc., also listen to English news and radio broadcasts.
4. Try to learn new words and phrases and start using them gradually.
These are only a few steps which can help in improving your English. If your further want to improve your communication skills opt for some language institute. Like I joined inlingua and with the help of their course I was able to improve my language skills and become more confident. If you further want to know how to speak better English do read this blog:
To check other tips follow this links
http://www.inlinguanewdelhi.com/improve-english-vocabulary/
http://www.inlinguanewdelhi.com/right-method-speak-english-fluently/