Unni, a Kerala State Electricity Board employee, was filling the necessary forms to deposit the amount in the State Bank of Travancore's branch, located in the first floor, when the mishap occurred, they said quoting preliminary information.
He had unsuccessfully tried to deposit the notes yesterday and came to the bank again this morning.
There was heavy rush of customers to deposit the demonetised Rs 1,000 and Rs 500 notes today also.
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