Which of the following set of factors pose hurdle in achieving targets of Universalization of elementary education in India ?

    (i)    Materials to ensure minimum levels of learning
    (ii)    Poverty of parents
    (iii)    Slackness in implementing related provisions
    (iv)    Availability of boundary walls and safe drinking water
    (v)    Mindset of parents and teachers
    (vi)    Shortage of teachers
    Codes :