A DAY after seven persons, including four women, were killed and several injured after a bus caught fire following a head-on collision with another bus near Bardoli town in Gujarat’s Surat district on Tuesday, the police are facing another challenge – identification of the deceased. As of Wednesday evening, only the body of Ghanshyam Raju Barkale, who was the driver of the bus that caught fire and hailed from Jalgaon in Maharashtra, could be identified. The Maharashtra State Transport bus was bound for Surat from Jamer Bus Depot in Jalgaon. With the bodies severely charred, the Bardoli rural police on Wednesday took blood samples of four individuals, who are relatives of people who were on board the bus and are missing, for DNA tests. The bus that caught fire ran on compressed natural gas or CNG, which was previously reported and confirmed police. Sachin Patil (22), whose mother Manisha was on board the bus, told The Indian Express on Wednesday, “I was at work when my mother called me up around 3:40 pm on Tuesday …