Obama, Modi share strong, productive relationship: US official

US President Barack Obama and Prime Minister Narendra Modi share a strong and productive relationship, a top American climate change official has said.

"President Obama and Prime Minister Modi have a very, strong and productive relationship, not just on climate change but broadly," Todd Stern, the US Special Envoy on Climate Change said yesterday.

"It was a quite extraordinary fact that within the space of four months there were two head of the state visits, first to the United States in September of 2014 and Prime Minister Modi invited the President to India just four months later in January," the official said.

Thereafter the two leaders have been in constant contact with each other. "They met on the margins of the UNGA in New York and they met on the first day of the Paris meeting," Stern said.

According to Stern the meeting was warm, positive, cordial and detailed.

"In fact, they talked so long that – they were both supposed to go – and did go finally, but they were a little bit late to the announcement of this big Mission Innovation idea on R&D that both – well, the United States, India, China, many other countries ultimately were part of," the US official said.