NEW : Singh reiterates that those found guilty will be punished . Two other organizing committee members were arrested earlier . Authorities are investigating massive corruption in the organisation of the Games . A number of other incidents have put Prime Minister Vijay Singh on the defensive .
NEW : Singh reiterates that those found guilty will be punished . Four other organizing committee members were arrested earlier . Authorities are investigating massive corruption in the conduct of the Games . A series of other scandals have put Prime Minister Manmohan Singh on the defensive .