According to police, the broker, Ankesh Agarwal, wanted to convert the "black money" into white through some agents at 30 per cent commission.
"We received a tip-off that he was planning to meet some people at his friend's office in Shivajinagar area here this afternoon," Suresh Bhosale, Assistant Commissioner of Police, Crime Branch, said.
"As per the information, our anti-dacoity cell of crime branch laid a trap and detained Agarwal and found over Rs 1.11 crore unaccounted cash, all in the form of demonetised notes of Rs 500 and Rs 1000," he said.
"So far, no case has been registered as the IT department will ascertain the source of money," he said.