Alexander is a powerful underworld don but in reality, he is Vinu, the son of the current Inspector-General of Police, Balakrishnan (Madhu). Balakrishnan is torn between his duty as a police officer and as a father. Alexander too has the
Harry Potter and the Order of the Phoenix
Harry Potter and the Prisoner of Azkaban
Harry Potter and the Philosopher's Stone
Harry Potter and the Chamber of Secrets