The actor wrote on microblogging site Twitter: "Hello tweeple!! Giving up smoking today! Any of u disgusting smokers wanna join me?? Love to the rest of you non-smokers!!."
It was earlier reported that Hrithik was trying to kick the habit by using nicotine patches but he denied the reports.
He tweeted: "Read news that I'm trying to use nicotine patches to quit smoking. It's not true."
The hunk had earlier written that he smokes just 2-5 cigarettes a day. "I know it's not the best thing but if well balanced with exercise and diet not too bad either, " he wrote.