KOLKATA: Tension erupted at Calcutta National Medical College and Hospital (CNMCH) on late Sunday night following the death of a two-and-a-half-year old girl whose family members allege medical negligence. Following the news, the family members of the victim ransacked a portion of the hospital and broke the windowpanes of the emergency ward. A heated altercation broke out between the deceased’s relatives and hospital staff members. A huge contingent of police rushed to the spot to bring the situation under control.…