Which of the following statements are correct?        
I.            Atal Pension scheme was launched on 9th May, 2015.      
II.            It is administered by Pension fund Regularity and development authority of India.    
III.            The age of the subscriber should be between 18-40 years.    
IV.            It provides a minimum guaranteed pension ranging from Rs 1000 to Rs 10000 on attaining 60 years of age.