[A] Maktab is a place where pupils learn reading and writing and Madarsa is where lectures are delivered.
[B] The two concepts are the same, there is no actual difference.
[C] Madarsa is where literacy is provided and Maktab where higher education is given.
[D] Maktabs are educational institutions meant for religious (Islamic) education but Madarsas are institutions where non-religious secular education is provided