Explain why the idli batter rises when kept overnight without refrigeration Share with your friends Share 4 Mohit Gupta answered this Kindly refer to the following link:https://www.meritnation.com/ask-answer/question/the-dough-prepared-for-making-idlis-rises-when-kept-overnigh/microorganisms-friend-and-foe/1103166 5 View Full Answer