The Election Commission had ordered re-polling in these polling stations following irregularities on April 1, the polling day.
Reports said Congress has plans to shift the candidates to some hotels in Guwahati, Tezpur, and Kaziranga on April 22 and keep them out of bounds from poachers.
The only BPF candidate to remain in Assam is Minister Pramila Rani Brahma. She confirmed the development surrounding her party, which is a component of the Opposition alliance.
The AIUDF is a component of Assam’s 10-party and Congress-led grand alliance of Opposition. It was formed two months back to oust the BJP from power.
Police sources said Laskar was interrogated twice for several hours during the last 48 hours and his statements have been recorded in front of a magistrate.
Polling was by and large peaceful although there were some stray incidents of violence.
The voters who did not have masks were provided with one, besides a disposable plastic glove before they were allowed to enter the polling booths.
Bengali-speaking Muslims, considered to be the vote bank of Congress and the minority-based AIUDF, are large majorities in several of these seats.
Claims and counter-claims of violence including attacks on TMC's Sujata Mondal, Najmul Karim and BJP's Papia Adhikary marred the polling process in Bengal.
The incident was reported from the 107(A) Khotlir Lower Primary School polling booth in the Haflong Assembly segment.
There are a total of 12 female candidates and 325 male candidates in the fray, whose fates will be decided by 79,19,641 general electors in the third phase.
This year, the main contest is between the alliances led by the BJP and Congress.
An array of national leaders including Prime Minister Narendra Modi and Congress's Rahul Gandhi campaigned for their respective alliance candidates.
The Bodo Peoples Front (BPF) had moved the poll panel alleging that its candidate from Tamulpur, Rangja Khungur Basumatary, joined the BJP on April 1 under inducement.
The "propaganda that CAA is against the rights of the Assamese has fallen flat" as the people have totally ignored it in the ongoing assembly elections, Thakur said.