Whenever a stranger will see your face he/she will become mad in love for you. Kamdev is the god of Love & Sex and this mantra is to attract any boy/girl for sex purpose. In this as soon as he/she will look at your face, he/she will be pulled towards you and will become eager to have sex with you.
You can chant daily minimum 108 and it becomes energized in 40 days to 6 months. If you chant more times then it will attain power faster. Move a rosary ten times daily for 40 days continuously to attain siddhi at an early stage.