A 45-year-old senior cashier with State Bank of India died after he experienced chest pain at its Ratibad branch in Bhopal on 13 November.
Purshottam Vyas experienced chest pain and uneasiness little after 5 PM, following which he was rushed to a hospital where he was declared brought dead.
According to police, he probably died while on way to hospital.
"We have registered a case and started investigation," police officer C Mewade said while confirming the incident.
He said Vyas' body has been sent to Hamadia Hospital for postmortem to find out exact cause of his death.
Banks were open today as per government's order following the demonetisation of Rs 500 and 1000 bank notes.
People are queueing up outside banks and ATMs across country to either deposit or withdraw the scrapped notes or exchange them for lower value tender.