The team, comprising Additional Professor Dr Adarsh Kumar, Assistant Professor Dr Kulbhushan Prasad and senior resident doctor at the Department of Forensic Medicine Dr Hans Raj Singh, will examine the spot where the incident took place before submitting the final report.
"The team of doctors was scheduled to go to the school today but the visit was called off as till afternoon we did not receive a written request from the SHO of the police station concerning the same.
The AIIMS' preliminary post-mortem report indicated that Divyansh's death was due to drowning. There were no external injuries on his body that could lead to death.
The report pointed to asphyxiation (suffocation) due to aspiration of fluid into air passages as being the probable cause of the death, said sources at AIIMS.
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Ramhit Meena, father of Divyansh, has blamed the school authorities for his son's death.
"I kept asking everyone what had happened but nobody responded. Then the principal took me to the doctor who informed me that my son was brought dead to the hospital," he said.
However, the principal of the school had refuted the allegation and claimed that Divyansh was a special child who was "hyperactive" and had a tendency of running away from the classroom.
Divyansh was last seen before the seventh period on Saturday, which was around 12.20 PM.
The authorities then started looking for him and after sometime he was found floating inside the pit which is used as a water storage tank. It is under the amphitheatre in the school's playground.
An FIR was registered at Vasant Kunj North Police Station under Section 304 (A) of IPC against unknown persons for causing death due to negligence.