Can Dental Council members indulge in corruption without support from top?

Dr Dibyendu Majumdar, chairman of the Dental Council of India, has denied allegations of corruption against him inthe Dental Council scam. Dr Usha Mohandas, who is the Former Member of the Dental Council of India and Founder President Dentists Against Corruption in Dental Education asked, 'When you are heading the body which is responsible primarily for the education of youngsters and your junior is involved in corruption, how can you claim that you did not know anything about it?'
Source: http://ibnlive.in.com/videos/370261/can-dental-council-members-indulge-in-corruption-without-support-from-top.html