The incident took place yesterday when one Rajaram threw acid on Arvind Kumar in the latter's marriage procession, circle officer Harendra Yadav said.
Besides Kumar, two children Aditya (14) and Nakul (11) were injured in the attack.
The injured were rushed to the hospital, where doctors said that Kumar had lost eyesight in his right eye besides sustaining 40 per cent burn injuries.
The accused was handed over to the police after the witnesses beat him up following the incident. The marriage could not be solemnised.
According to police, Rajaram loved the bride and had warned Arvind against marrying her.