Over 50 percent voter turnout was recorded till 3 pm on Saturday during the bypolls in Medak Lok Sabha constituency seat assembly Telangana and Andhra Pradesh Nandigama.
Except for minor incidents, voting was peaceful, officials of the election commission said.
The vote was prompt in Medak, where 54 percent polling was recorded until 15:00
Nandigama also witnessed high turnout, with 58 percent voters cast their vote until 15:00
Election officials said polling began in both constituencies at 7 am on a dull note but picked up as the day progressed. Voters may vote until 18:00
Electronic voting machines (EVM) developed problems in places, resulting in a delay in the start of the voting process. Officials later replaced the faulty EVM.
Tight security arrangements were made. Officials in Hyderabad supervised voting via webcasting.
Workers Telangana Rashtra Samithi leader (TRS) and the Congress of the opposition faced Kothapet in Medak district. Police used force to disperse the shock groups.
The residents of Peddapur boycotted the vote to protest the lack of adequate roads and other development work.
In the village of Gangapur, people did not participate in the vote because election officials not a voting center near their village was established.
Over 15.43 lakh voters were eligible to cast their franchise in the prestigious parliamentary constituency of Medak, where electoral authorities set up 1,817 polling stations.
Chief Minister K. Chandrasekhar Rao Telangana, whose resignation caused the vacancy, and his wife cast their votes in his hometown in Siddipet mandal Chintamadaka.
State Irrigation Minister Harish Rao cast his vote in Siddipet assembly segment, one of the seven assembly segments of parliamentary constituencies.
About 10,000 security officers and voting were deployed as part of Medak electoral elaborate arrangements to ensure free and fair elections.
Fourteen candidates are in contention in Medak, but is mainly a triangular competition.
K. Prabhakar Reddy of TRS may have smooth sailing. He faces TDP-BJP combine Lakhsma Jagga Reddy and Sunitha Reddy of the Congress Party.
Prabhakar Reddy cast his vote in Pocharam while Jagga Reddy voted Sangareddy. Sunitha exercised their franchise in the village of Gumaram.
Heavy polling was witnessed in Nandigama assembly constituency in Krishna district of Andhra Pradesh.
Over 1.84 lakh voters were eligible to vote in 200 polling stations.
Four candidates are in contention in Nandigama a seat reserved for Scheduled Castes. Telugu Desam Party leader (TDP) has sent Tangirala Soumya, daughter Tangirala Prabhakar Rao, whose death caused the vacancy.
Soumya is locked in a direct fight against B. Babu Rao of the Congress. The other two candidates are independent.