Mohali, Jan. 31 -- A day after threeoccupants of a Fortuner SUV died after hitting an auto and subsequently crashing into astationary tractor-trailer near McDonald's Chowk, on Airport Road, Zirakpur, police have booked the tractor driver. The case has been registered on the complaint of Harpreet Kaur, the wife of Harjit Singh, 35, who was driving the Fortuner and was among those who died in the mishap. The other two deceased are Balbir Singh, 70, and Amrik Singh, 68. All were NRIs, hailing from Fatehgarh Sahib, who were on their way to meet their relatives. In her complaint, Kaur told police that there were seven family members in the ill-fated car. She and her children were seated in the last row, while the other occupants were her father-in-law, father-in-law's brother, and brother-in-law. She said when they reached near McDonald's Chowk, an auto appeared in front of them. To avoid hitting it, her husband swerved the car and ended up crashing into the tractor trailer that was wrongly parked ahead. She said her brother-in-law and his son, Veerjot, were also injured in the mishap. The autorickshaw passengers were also injured in the collision and hospitalised. Doctors are monitoring their condition. The tractor trailer driver, identified as Mantu, a resident of Jharkhand, has been booked under Sections 106(1) (causing death by negligence), 285 (danger or obstruction in public way or line of navigation), and 324(4) (mischief) of theBharatiya Nyaya Sanhita....