Prof. R.M.L Mehrotra was innovative, he knew that in the coming times this science would evolve and shall become the back bone of the all clinical sciences in achieving the diagnosis and checking the patients. Over the period of time, RML Mehrotra Pathology Lab has become one of the famous labs in clinical pathology services and new innovations have been introduced for the first time in the country – the Lab was quick to adapt the changing technologies and its applications for the use in clinical medicine. Since then, there has been no looking back, the lab has expanded immensely to provide a wide arena of tests possible today in the field.