A forensic expert, deposing in the twin Aarushi-Hemraj murder case, told a Ghaziabad court on Tuesday that a bottle recovered from the crime spot bore the blood stains of both the victims.
The senior scientist, BP Mahaptra, of Central Forensic Science laboratory also told the court that blood stains found on Aarushi's clothes and her bed's sheets matched her group.
The CBI on Tuesday produced seven exhibits out of 36 parcels in the special trial court here.
The public prosecutor RK Saini said that the blood samples found on the bottle of scotch were positive.
The blood samples found on the Valentine scotch bottle were of Aarushi's and matched the samples found on her sheets, the CFSL witness told the court.
He said that a colorless liquid was found in another bottle which had no blood trace.
A metallic lock was also produced with blood stains but no DNA could be generated on it, he told the court.
From Hemraj's room, a red plastic bottle and a colourless bottle were recovered.
From the room of the accused, the Talwars, a bottle of Valentine finest scotch bottle was recovered, the witness said.
The other exhibits produced were the clothes, undergarments and tops of Arushi and Hemraj. The CFSL scientist said that blood samples were positive on all these exhibits.
The hearings will continue on Wednesday.