By Beth Sweeney | July 2, 2019 at 3:53 PM CDT - Updated July 2 at 3:53 PM EVANSVILLE, Ind. (WFIE) - A Tri-State doctor is under investigation by the Evansville Police Department. Officers said they were notified of an allegation against Dr. Nirmal Joshi, an anesthesiologist with Deaconess Health System. According to a statement from EPD, the Sex Crimes unit is looking into the case and cannot comment until the investigation is complete.