A man was arrested with Rs 90 lakh cash in Naxalbari area of West Bengal's Darjeeling district on Saturday, a police officer said.Nirmal Agarwal was intercepted with the cash stacked in one suitcase and two bags in a white colour car having a West Bengal number plate at Ratkhola junction of Siliguri sub-division.Darjeeling's Superintendent of Police Amit Kumar Javalgi said Agarwal was a resident of Bishanpur in Bihar's Kishanganj district."Verification is going on. He will be produced in court and the Income Tax department informed," said Javalgi.