"It is heartening to note that the Tatas are providing employment to 35,000 people in the state," Mitra said at a CII event here.
TCS is also creating 20,000 new jobs at its new campus, he said.
Mitra said the government had asked for suggestions on developing the infrastructure around Tata Hitachi and Tata Metaliks in Kharagpur.
Referring to the setting up of Tatanagar during British rule, Mitra said that it is a market creation vision of the Tatas which led to the creation of the steel plant.
At that time, the British was planning to lay railway lines across the country and the Tatas wanted to participate by making rails.