The by-polls to Brahmanbaria-2 and Lakshmipur-3 constituencies will be held on Sunday.
Authorities have started distribution of election materials from Saturday ahead of the by-polls.
In Brahmanbaria, ballot papers, ballot boxes, seals, and other equipment were distributed to a total of 132 polling stations in 84 centres of Sarail upazila and 48 centres of Ashuganj upazila.
The assistant returning officers of the upazilas handed over these tools to the presiding officers of different centres. Later they took these election materials to the polling station amid tight security.
Md Shahgir Alam, district returning officer, and deputy commissioner, said all kinds of preparations have been made to hold the by-polls in a fair and festive manner. An adequate number of law enforcement officers including RAB, police, and executive magistrate will be stand by for the overall security of the elections, he added.
A total of 4,10,072 voters in Brahmanbaria-2 constituency are expected to exercise their voting rights in the by-polls.
Meanwhile, all out preparations have been taken to conduct the by-polls to the Lakshmipur-3 constituency peacefully, said Farhad Hossain, the returning officer of the election.
Voting will start at 8am, and it will continue till 4pm without any break, he added.
He said besides the presiding officers, 16 executive magistrates, 950 policemen, 1,495 Ansar members and six platoons of BGB have been deployed. In addition, seven teams of RAB will be patrolled during the elections.
Deputy Commissioner Suraiya Jahan said that Lakshmipur by-polls will be conducted peacefully, if there is any irregularity or if anyone tries to create anarchy, strict action will be taken.
Earlier, on October 1, the parliament secretariat declared the two seats vacant, following the deaths of Lakshmipur-3 lawmaker AKM Shajahan Kamal and Brahmanbaria-2 lawmaker Abdus Sattar Bhuiyan.
