If rice is too much?then i take more time to cook?

Could you clarify your question? Are you asking if you use more rice, will it take more time to cook? If so, this question has come up with this recipe before, and the rice might take a few minutes longer to cook. (Check out the discussion here: http://food52.com/hotline/3996-a-question-about-a-recipe-mujaddara-with-spiced-yogurt)