Which of the following statements are correct about PM Surya Ghar Muft Bijli Yojana ? (I) To install Solar plants on one crore house to provide upto 300 unit free electricity every month. (II) Provision of 30 percent subsidy for setting up rooftop solar plants. (III) 100 percent online system for registration, application, approval & grant. (IV) Provision of loan at bank interest 4 percent to each applicant.