An estimated 60 per cent of the 52.7 lakh electorate cast their votes on Thursday in four Lok Sabha seats of Punjab which witnessed sporadic clashes between workers of Congress and Shiromani Akali Dal during the first round of the two-phased elections in the state.
Punjab Chief Minister Parkash Singh Badal's daughter-in-law and wife and son of his arch-rival Amarinder Singh were among candidates whose fate was sealed in the EVMs.
The polling was marred by a few incidents of violence at Barnala and Patiala in which six persons were injured.
Five persons, including four Congress supporters were injured when they were attacked by activists of Students Organisation of India (SOI) owing allegiance to ruling Shiromani Akali Dal (SAD) outside a polling booth at Barnala bus stand.
An Akali worker Musa Khan suffered a bullet injury in his arm when two unidentified persons opened fired on him at Arnabarna chowk in Patiala.
Poice fired in air to disperse agitated SOI activists and Congress supporters outside a booth at Bathinda grain market.
At Sardulgarh, BSP candidate Nem Chand was detained by police when he tried to enter a polling booth with a weapon, police said.
Initial reports put the turnout at 60 per cent, election officials said.
In 2004 Lok Sabha polls, Congress had bagged only two against 11 of the ruling SAD-BJP combine.