The narco-analysis test of the prime accused in the Noida serial murder case Moninder Singh Pandher began on Tuesday afternoon at the Directorate of Forensic Sciences (DFS), official sources said in Gandhinagar.
Pandher was brought to the DFS after he was discharged from the civil hospital in Gandhinagar late on Monday night.
The tests are expected to go on for approximately eight hours, sources said.
Being a diabetic, Pandher was taken to the hospital on Monday evening where insulin shots were administered on him.
The director of DFS had on Monday said that the medical condition of Pandher will be reviewed before he undergoes the narco-analysis (truth serum) test on Tuesday.
Narco-analysis is the final test that Pandher will be undergoing at DFS. Earlier, Polygraph and brain finger printing tests were conducted on him.
The Nodia police had brought Pandher and his servant Surendra Koli to DFS on January 5 for forensic tests.
Pandher and Koli have been accused of the serial killing of women and children in Nithari village, in Noida, Uttar Pradesh.
All the three forensic tests on Koli was completed on Monday.