An estimated 63.36 per cent votes were cast on Saturday in the second phase of the Jharkhand Assembly election, where one person was killed in firing by security personnel near a polling booth.

The voting figure is likely to go up as reports from remote places are awaited.

Polling in the 20 constituencies had begun at 7am amid tight security. It ended at 3pm in 18 of them while in the rest two — Jamshedpur (East) and Jamshedpur (West) — the polling ended at 5 pm, Election Commission sources said.

Chief minister Raghubar Das was in the fray in Jamshedpur (East).

Jharkhand additional director general of police Murari Lal Meena said the man was killed when personnel of the Rapid Action Force (RAF) fired on the assailants near booth number 36 in Sisai constituency for trying to snatch their arms.

Two persons who were injured in the incident were admitted to a hospital, said Meena, who is also the nodal officer for Assembly election-related security measures.

Jharkhand Chief Electoral Officer Vinay Kumar Choubey said the incident is being probed and polling in the booth had been suspended.

A police officer also suffered injuries when angry villagers resorted to stone pelting after the incident, police sources said.

In West Singhbhum district, Naxals torched an empty bus near Jojo Hatu village in Chaibasa constituency, superintendent of police Inderjeet Mahata said.

Assembly speaker Dinesh Oraon (Sisai), rural development minister Neelkanth Singh Munda (Khunti) and BJP's state unit president Laxman Gilua (Chakradharpur), whose fates were decided in this phase of polling, were among the early voters in their respective constituencies.

A large number of people were seen waiting in long queues braving cold conditions to cast their votes in Baharagora and Chaibasa constituencies, the officials said.

Prime Minister Narendra Modi tweeted urging voters to come out in large numbers to exercise their franchise.

A total 48,25,038 voters, including 23,93,437 female and 90 third gender voters, were eligible to exercise their franchise to decide the fate of 260 candidates, including 29 women nominees and 73 independents.

According to the police, more than 42,000 security personnel, including central forces, have been deployed in the 20 constituencies spread across seven districts.

Several constituencies where polling was held in this phase of polling were Naxal-affected and armed police have been deployed as a part of the security measure, Choubey said.

Out of a total of 6,066 polling stations, 949 have been declared as critical and 762 as sensitive in Naxal-affected areas, he said.

The CEO said that 101 polling stations have been relocated due to security reasons and free transport facility has been arranged for voters to reach these stations.

Webcasting facilities has been made available at 1,662 polling stations, he said.

The Assembly segments which went to the polls in the second phase were Baharagora, Ghatsila, Potka, Jugsalai, Jamshedpur (East), Jamshedpur (West), Seraikela, Chaibasa, Majhgaon, Jaganathpur, Manoharpur, Chakradharpur, Kharsawan, Tamar, Torpa, Khunti, Mandar, Sisai, Simdega and Kolebira.

Sixteen of the 20 constituencies are reserved for Scheduled Tribe (ST) candidates and one for Scheduled Caste (SC).

BJP contested in all the 20 constituencies in the second phase, while the Opposition alliance of Jharkhand Mukti Morcha (JMM) and the Congress contested in 14 and six seats, respectively.

The RJD, which got a total of seven seats as per the seat-sharing formula of the Opposition combine, had no candidate in this round.

NDA ally AJSU party, which contested the Assembly elections on its own for the first time since the creation of the state, has fielded candidates from 12 constituencies in this phase.

The Jharkhand Vikas Morcha (Prajatantrik) nominated leaders in all the 20 seats and the Bahujan Samaj Party in 14.

The CPI contested in two seats, the CPI(M) in one and the NCP in two.

Six candidates of the All India Trinamool Congress were also in the fray in the second round.

The rest of the three phases will be held on December 12, 16 and 20.

Counting will take place on December 23.