Gurugram, Dec. 13 -- Four people died in two separate incidents in road accidents that happened in Gurugram and Nuh on Friday. At least two people were killed and five others critically injured in a freak accident caused by a boulder falling off a moving truck, which then triggered a chain of collisions on the Delhi-Jaipur Expressway near Manesar early on Friday, police said. The crash occurred between 4.15am and 4.30am on the Rampura flyover when a boulder slipped off a truck and landed directly in the path of a Maruti Ertiga carrying seven people from Jaipur to Delhi. Police identified the two deceased as Govinda Singh, 23, originally from Shaheed Bhagat Singh Nagar in Faridkot, Punjab, and Mangal Singh, 21, from Daryapur in Haryana's Fatehabad. Both were residents of Anand Parbat in Delhi. The injured were identified as Nikhil Kumar, 30, Gaurav, 25, Bobby, 22, Sunny Kumar, 27, all from Anand Parbat, and the car's driver, Sandeep Kumar, 31, from Rohini. Police registered an FIR against the unidentified driver of the boulder-carrying truck under sections of the BNS at Kherki Daula police station. Two men were charred to death on Friday, after a 14-wheeler dumper truck in which they were travelling caught fire after falling from the elevated section of the Delhi-Mumbai expressway in Nuh, said police. Police identified the deceased as Ranjeet Singh, 57, a resident of Neemli village in Tijara, Alwar and Mohammad Parvez, 24, of Deeg, both in Rajasthan. Singh was driving the truck while Parvez was the co-driver....