Rashtriya Lok Dal (RLD) spokesperson in Mathura Pawan Chaturvedi said, Chaudhary fell on the stage as soon as he stood up to address the audience at Mandi Samiti in Kosikalan village.
"He was immediately rushed to a hospital in Delhi," Chaturvedi said, adding the meeting was cancelled.
Chaudhary was addressing the meeting to conclude his 15-km foot march from Kotwan to Kosikalan village on the Haryana border during which he raised the issues concerning farmers.