Four persons were killed when CISF personnel opened fire allegedly after coming under attack from locals, who "attempted to snatch their rifles" in Cooch Behar district.
"It is extremely unfortunate that political battles are thus sought to be fought in this manner instead of being fought in the campaign trail," the EC observed.
There are 89 companies already stationed in South 24 Parganas which pushes up the number of forces to 707, the highest deployment in this election so far.
The Biswanath constituency in the state has witnessed the highest voting percentage till now, while the Dibrugarh constituency witnessed the lowest voting percentage.
A total of 264 candidates are in the fray from 47 seats-- 42 seats from 11 districts of Upper Assam and northern Assam region and five seats from central Assam's Nagaon district.
ECI secretary Avinash Kumar stated that the Election Commission has no objection to announce the acceptance of the PRC report with respect to the Model Code of Conduct in force in the State ahead of the Nagarjuna Sagar bypolls.
In a directive to the state chief secretary, the EC said DGP Virendra "should not be given any post which directly or indirectly relates to conduct of election."
The Election Commission has collaborated with IIT-Madras to work on a new technology which will allow electors to vote from faraway cities without going to designated polling station.