It is the you who has started the habit. &it will be you only to stop it.The only way to stop smoking is to overcome the psychological dependence on tobacco and the physical addiction to nicotine.
The fact that you are ready to quit indicate that you recognise the harmful effects of smoking, This self-realisatio n is the first step in the war against smoking
Remind yourself of the reasons why smoking is bad for you.
Visualise how quitting smoking will make you feel better and improve your health.
Visit sites that are dedicated to anti-smoking such as www.cancer.org that have years of experience with helping people quit smoking.
Help cancer patients in hospitals. You will be convinced about the dangers of smoking. Moreover, your attempts to help cancer patients battle this dreadful disease will be appreciated.
Cold Turkey refers to quitting cigarettes abruptly and completely. Most experts agree that this is the best method to quit smoking, as people who quit abruptly tend to have greater health benefits compared to regular smokers or smokers trying to cut down gradually
The war against smoking cannot be won by simply throwing the butt. It continues even after you throw away your last cigarette. Learn what to do after you quit. Bite Chewing gum instead to keep u engaged

best of luck

Think of the person u love the most in this world and make up your mind that you will quit smoking for the special person.

I would say you need to be more determined and focused. Leaving it instantly won't be possible, I know you are also aware of the same, but you can try and reduce the number and gradually can completely get rid of this habit. Whenever you feel like smoking try and keep yourself occupied, either do some work or eat something that you like.