"English Speaking" is becoming requirement for everyone now-a-days to complete in global work environment. Your career can get a good start if you are familiar with English language. Speaking English is not very tough for anyone especially when you are willing to learn English.
The first step to learn English is to take it as a challenge and read any good book or articles available on internet or you can watch videos on internet. If you have time to go for coaching you can also join English Speaking Course. Don't take learning as a task, enjoy it and it will be very easy for you to learn English.
The most important aspects of learning English is to improve your vocabulary so that you can express your thoughts easily. Also concentrate on learning English Grammar which is must for sentence formation. Having good knowledge of words will help you to be more precise with your English communication.
It is not necessary to have a detailed knowledge of grammar for speaking fluent English. In fact, speaking only needs a basic knowledge of grammar and a good vocabulary. Now-a-days no one use exact grammar for speaking English, many short forms were developed to make sentence easy to speak. All you need to believe in yourself and be confident to what you speak for good impression.
For good English speaking, keep the sentences short and simple. Don't hesitate to ask the other persons for clarification if you do not understand them or you need any help. In English language also many words may carry more than one meaning. For spoken English concentrate on your word pronunciation while conversations with others. Keep practicing, the more you practice faster you will learn.
Try to understand the different accents of English Language in different countries. Watch English movies, news channel, serials, etc to learn different styles of pronunciation. Be polite and respectful while talking to others. Daily conversing in English will surely improve your English Speaking skills and you will be able to speak English fluently.