Unknown Sort out - Detective MDR, #1

About the series:-Detective MDR (Mihir Dave Roy) is the series of crime tales which is chock-full with Mystery, Suspense, Thrillers, Science fiction, Action, Adventure and fantasy. This book is sitting in two parts *Case number 90 and *Unknown risk. About the story:-This is the 90th case of Detective MDR, Unknow Sort Out- The story of this book is revolving around past life and the present escaping of the criminal's, Criminal's who had escaped from the prison's located at the various locations in the world at the same time because of that the higher authorities feel that something wrong is going to be done because they all escaped from the prison at the same time and they don't want this to be on a public platform, Therefore, they entrusted the responsibility of this case to Detective MDR (Mihir Dave Roy).
Now it would be amusing to see why all seven dreaded prisoners escaped from prison at the same time?