A man claiming to be a schoolmate of a Union minister was arrested on Sunday at Matunga in central Mumbai for allegedly duping an environment consultant of Rs 1.5 lakh under the pretext of helping him land a business contract under a government initiative, police said.

The accused, identified as Jyotikumar Agrawal, claimed that he was the schoolmate of Railways Minister Piyush Goyal, a senior police officer said. Agrawal, 50, allegedly duped the city-based environment consultant Manish Patel under the pretext of offering him a business contract under the SATAT scheme of the Union government.