Chennai: A day after a group of unidentified robbers managed to sneak into a coach in a running train in Tamil Nadu and decamped with Rs 5.78 crore, a probe into the matter has suggested that it may be an insider's job.
The Tamil Nadu Police, which swing into action, have now called several bank employees for questioning in connection with the case.
Those who have been called for questioning belong to the Indian Overseas Bank, SBI and other public sector banks.
Meanwhile, the police is also trying to ascertain if the train was halted anywhere else during its journey or the robbers had managed to enter the coach before the train began its journey.
However, the police is yet to achieve a breakthrough in the case.
The incident happened late on August 8 when the train was on its way from Salem to Chennai.
According to a News18 report, currencies worth Rs 5.78 crore belonging to RBI were robbed from the train. A police source then said that the robbers cut a hole in the roof of the train to steal old soiled currency notes.
As per the report, the train was carrying currencies, reportedly belonging to a few public sector banks, in 226 boxes and was being transported to hand over to RBI. Approximately Rs 342 crore was being transported in various cartons kept in two separate compartments of the train.
The heist came to light after the train reached the Egmore station at around 4 am on Tuesday morning. Cops found that at least two boxes containing the soiled currency notes had been tempered with.
However, it remains unclear at which spot the thieves managed to sneak out the cash boxes in the nearly 350 km long journey, the train took on Monday night.