The deceased are Narayan Khadka, 50, and Som Bahadur Tamang, 16, of Dhorthali-4, according to District Police Office.
The injured are being treated at Sadabahar Hospital in Khadichaur.
Two Nepal Army soldiers electrocuted to death in Chitwan
According to Acting Chief Election Commissioner Ram Prasad Bhandari, ballot boxes will be collected immediately after voting, and vote counting will begin without delay.