The officials said a nurse went to the ward around 7.30 a.m. and found her lying in a pool of blood.
Police said they saw a cut mark on her neck and they recovered a surgical knife that might have been used to commit the murder.
The AMC is one of the oldest medical institutes in northeast India. British philanthropist Sir John Berry White, a retired brigadier of the British Army, spent his lifetime's earning to establish this institution. It was earlier known as Berry White Medical School.
