"Opokirti" means Mistakes or Miss-deeds in Bengali. Mistakes are those deeds which we generally tend to hide from the world. The Author is a Doctor by profession. In this Book he describes his professional mistakes. He admits all his faults that he has done in his entire Medical Career, as a confession to the world. But he has another intention too. His mistakes are like alarms for the upcoming generations of the same profession. The long drawn Medical career has experienced several ups and downs, several mistakes, which were incorrigible. Why should the newer generation repeat the wrongs of the history Till the profession of Doctor is alive why should lives die? Why should pain persist? Mistakes once done cannot be reversed. We learn from mistakes. This book is a touching story of irreversible mistakes, which the author pens to prevent the history from repeating again and again. Also, in this book you can find a vivid picture of the medical system and various activities of some of the named and unnamed professionals of that time. Even you can find the author himself, and some part of his personal life.