The SEZs of the three companies were notified in 2013.
"For SEZs of TCS, Infosys and Impetus, the state government has issued all no objection certificates. I had talks with representatives of the three companies and they have assured that their units will be operational by 2017," State Information Technology Minister Bhupendra Singh, told reporters here.
He said that the three companies have issued tenders to set up their project.
The minister said 12 other companies have sought land from the state government to set up their units at the Crystal IT Park here.
He said the government has decided to give subsidy to small transport vehicles on rural routes to ensure facility of transportation to the rural population.