Deputy Superintendent of Police, Government Railway Police (GRP) M Thillai Natarajan told PTI that Russian consulate officials were yet to identify the kin of the deceased in their country.
"So, there is a delay. We hope they will claim the body soon." Post mortem report stated that he died of natural causes, he added.
Walerie Iwanow hailing from Vladimir region in Russia arrived in Chennai in February after visiting various other places in the country.
On March 11, he suffered seizures and fell unconscious in the car park area of the station. He was rushed to the RGGGH by local people where he breathed his last within an hour.
Police and hospital authorities said the Consulate General of the Russian Federation here was informed immediately about the death of its Iwanow.