There is no alternative to irrigation to stop fruits from dropping, but water is scarce in the hilly region
Victim Zainal Abedin, 40, a former member of Baligaon union council, was a member candidate of the Union Parishad elections that had been postponed.
He was also the Baligaon Union Juba League's organising secretary.
A group of 25 to 30 people attacked Zainal when he was returning home from a programme on Tuesday night, his brother Amir Hossain said.