According to the police, Salman, driving in a drunken condition, rammed his car into a bakery in suburban Bandra on September 28, 2002, killing one person and injuring four.
"The seal and vials (of Salman's blood samples) were not preserved and this creates a doubt whether the blood samples were that of Salman or someone else's," said his lawyer Amit Desai, arguing the actor's appeal before Justice A R Joshi.
The prescribed procedure for collecting blood sample after a mishap was not followed nor did the police obtain Salman's written consent before taking blood sample, he said.
In the Emergency Patients Record or the casualty register at the hospital, Desai said the word 'alcohol' was included by drawing a mark but the carbon copy of the register page shows the word written at the bottom of the page.