(a) What is the total number of students at each higher education institution who are eligible for National Student Financial Aid Scheme (NSFAS) living allowances but have so far not received (i) all or (ii) part of the grant that they are entitled to, (b) in each case, (i) what is the amount of the grant that has (aa) not been received and (bb) only partially been received and (ii) what is the specific reason for the nondelivery of allowances at each institution and (c) what steps has NSFAS taken to address the problems through (i) communicating with students, (ii) changing administrative procedures and (iii) any other measures?