"If private investment is lagging (which is the case now), public investment has to be stepped up," Mahindra told the India Today conclave here.
Batting for a 'Shenzen model' of development, he said the country needs more SEZs on both the sides if it wants manufacturers to invest in capacity building.
Lauding the focus on manufacturing, he said the country has possibly now become the best manufacturing hub in the world and this is the proof that make in India campaign is a success.
Answering a question on whether he would invest in states like Bihar, he said, there is no rocket science in understanding why investors go where they go. "At the end of it, we want a leadership who delivers, and from that perspective now I am very comfortable in investing in Bihar," he said.
Highlighting the role of states in the national growth story, Kant said, "certain fundamental changes are taking place in the country now. There is huge focus on competitive federalism and not just limited to ease of doing business.