President Pranab Mukherjee on Friday appreciated the social work done by Anand Kumar, an educationist from Bihar, saying it was "inspiring".Kumar, who works for the under- privileged students, presented his biography to the President at the Rashtrapati Bhavan here. The biography of Kumar, who is known for his Super 30 programme, was written by Canada-based psychiatrist Biju Mathew and released by Bihar Chief Minister Nitish Kumar in Patna on Monday.Super 30 is a programme under which Anand selects 30 students from the underprivileged sections of society and provides them free mentoring for IIT entrance exams.