Police received an anonymous call around 1.55 pm about human body parts in a drain close to Baba Gangnath Mandir in the area.
"The body parts were highly decomposed. The head was missing and the rest of the body was found in three parts," a police officer said.
The police confirmed that the victim was a woman as they found Nail polish on the hands and toes. "We have informed all police stations across Delhi and asked for missing women's lists," said an official.
The body has been sent for autopsy. "It seems that she was killed and then her body was dumped in the drain," said the official.