Four men were arrested from Nodia in Uttar Pradesh on Wednesday morning for allegedly carrying out a fraud of Rs 56.64 lakh.

The men allegedly forged the signature of a senior official of a private company that has its account in a bank in central Calcutta and sent fake instructions over email on behalf of the company to transfer the amount from its account to seven accounts across India.

The money was withdrawn from the seven accounts through ATMs.

The nationalised bank lodged a complaint with Hare Street police station in the last week of July, following which the case was taken up by the anti-bank fraud section of the detective department.

The four accused in custody are Yuvraj Dhingra from Greater Noida, Lavish Tripathi from East Delhi, Zeeshan Khan from Bareli and Ashwini Kumar from East Delhi. “Tripathi was the mastermind and Dhingra was caught on CCTV footage while withdrawing cash from an ATM,” said an officer.

The accused were produced in a court in Nodia’s Gautam Buddha Nagar, from where they were handed to Calcutta police on transit remand.