He claimed some MPs had told him that the Road Transport and Safety Bill was not given priority as working for its passage "does not fetch them any vote".
Pillai, who is the Chairman of Data Security Council of India, said, "In spite of the fact that there are so many road accident deaths recorded, the bill did not figure among the bills that were given top priority during the Parliament sessions last year."
He said citizens' engagement in 'smart cities' was an essential part of the project.
"It is difficult to have a comprehensive plan for the whole country. Taking ideas from citizens and evolving in the process would be the right approach," Pillai said.
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Critical elements of smart cities is to fulfil basic necessities like clean water and health care facilities, which the people expect irrespective of the advancements in the technology, he said.
"Legislations for road safety, 'Swachh Bharat' (Clean India) and discouraging people from migration would take time, perhaps, changes will take place in the next generation," he said.