India, Oct. 4 -- Union minister Nitin Gadkari on Saturday said infrastructure development was key to making India a leading economy and called for the formulation of an international code of conduct for the infrastructure sector.

He was addressing a gathering in Nagpur after the inauguration of the conference "Asian Scenario on Infrastructural Development (ASID-26)", organised by the Nagpur Centre of the Indian Concrete Institute.

Infrastructure development is the most crucial factor in transforming India into a leading economy, said the Union Minister for Road Transport and Highways.

Stressing the need to promote the use of alternative and discarded material in infrastructure development, he said the National Highways Authority of Ind...