The police remand of Rajastan MLA Nandkishore Maharia's son Siddharth, who allegedy hit an autorickshaw and a police van killing three persons and leaving five others injured, was today extended for three days. Siddharth was allegedly driving the BMW car at a speed of around 100 km\/hr in the wee hours in C-scheme area on Saturday. The car first hit the autorickshaw and then rammed the PCR van nearby. Of the four men who were in the autorickshaw, three were killed while one was injured. Four policemen including an Assistant Sub-Inspector were also injured. As per the breath analyser test conducted soon after the incident, Siddharth's alcohol level was found to be 152 mg\/100 ml, while the permissible limit is 30 mg\/100 ml, police had said. He was arrested under section 304 of IPC (Punishment for culpable homicide not amounting to murder). However, Siddharth had claimed that he was not driving the car and also denied having consumed alcohol. He was produced in the court of metropolitan magistrate in Jaipur today where his police custody was extended for three days. Siddharth was admitted to SMS hospital last evening for some injuries and uneasiness and was taken back to the hospital from the court today, investigating officer Kamal Nain said. In a twist to the case yesterday, a man named Ramesh had appeared in a local court where Siddharth was produced and claimed he was driving the car when the mishap occurred.