"The sheer size and dynamism of our two economies means that there is tremendous opportunity to expand bilateral trade and investment even further.
"Now is the time to deepen our already strong commercial relationship through collaboration on initiatives like smart cities," US Department of Commerce's Deputy Secretary Bruce Andrews said.
Noting that the relationship between the two countries is already "thriving", he said, "The two-way trade almost tripled in the last decade."
"American exports to India reached USD 37.2 billion in 2014 and imports (from India) totalled USD 65.7 billion," he said in his address at the 'Smart Cities - The Way Forward' conference, organised by the Indo-American Chamber of Commerce.
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Pointing out that the Strategic and Commercial Dialogue and the US-India CEO Forum have been used as platforms to address issues like ease of doing business, infrastructure, innovation and entrepreneurship, he said, "We are at the halfway point between the last S&CD meeting."
"Our private sectors are a critical partners in driving our dialogue forward and holding our two governments accountable.
"Just as when we all came together in Paris to commit to addressing climate change, building 100 smart cities in India is going to require all of us to work together.
"United States is proud to call India a partner in the
world's fight against climate change. As both of our countries undertake the difficult work of living up to our shared commitments, we must make clear that dealing with a changing climate is not just critical to protect our citizens, but also good business," Andrews said.
US can be a valuable partner in helping India develop a 21st century, sustainable economy, and American companies are the backbone of that relationship, he said.
"To help build India's smart cities, greater US private sector investment will depend on addressing persistent business challenges. For example, capital-intensive infrastructure projects are often delayed by protracted legal disputes and the inability to find financing.
"This can be addressed by improving firms' access to private capital, including through further development of India's capital markets and improvements to the framework for public-private partnerships," he said.
The good news is that there are billions of dollars waiting to be deployed in climate-friendly solutions and attracting this money is a competition, he said.