Hundreds of workers in the Samsung mobile phone company protested Saturday, demanding wage increases and shifts in turn times, police said.
The workers gathered at the company's office in Noida Phase II and stayed there until 10 pm, they said.
Samsung representatives can not be contacted immediately for an answer.
"The protestors demanded that the working hours that have been modified since January are restored to the previous scheme, and they have also been irritated by changes in holidays, food and other similar issues," he said, "these problems have been discussed with the direction and resolved, "said the Circle clerk, Noida 3rd, Shwetabh Pandey.
"Workers were also demanding an increase in their salaries, which according to the management would have reported that it was a political problem and needed further discussion," he told PTI on Saturday evening.
Pandey said that there was no public order and that there was no interruption of traffic while the protesters had gathered inside the premises of the private company.
The Samsung plant, inaugurated by Prime Minister Narendra Modi in July 2018, has also seen similar protests in the past.
Nearly 500 farmers, belonging to different outfits such as Sanyukta Kisan Parishad, Kisan Sabha, organized a protest in front of the company's office in October, asking for "more jobs for local youth".
In August, at least 80 people were arrested during a protest at the plant for similar reasons, according to officials.