Prime Minister Narendra Modi on Wednesday left for his trip to Ireland and the United States, where he is expected to address the Indian community in California's Silicon Valley on Sunday.

"Working westward. PM @narendramodi departs on a 2 nation, 3 city visit to Ireland & the US, will address the @UN," external affairs ministry spokesperson Vikas Swarup tweeted.

PM Modi will spend the first day (Wednesday) in Ireland, where he will meet with Prime Minister Enda Kenny. He will depart for New York the same evening.

The Prime Minister will be in the US till 29 September. During his visit to the US, he will address the United Nations Sustainable Development summit and also participate in a special summit on climate change called by UN Secretary General Ban Ki-moon.

A number of bilateral engagements are on Modi's list, but the primary objective of his visit is to get more foreign direct investment and make 'Make in India' initiative a huge success.

During his two-day visit to New York, Modi will meet with Fortune 500 CEOs on 24 September and make a strong pitch for his 'Make in India' programme, The Indian Express reported.

"There's tremendous interest in Make In India, as an idea, and the strength of the CEO Forum [on September 24] participants is a testament to that," said Dhruva Jaishankar, fellow at the German Marshall Fund of the United States.

"Modi will meet people connected with financial, media, technology and manufacturing sector," Swarup told media on Wednesday.  

Modi will also meet US president Barack Obama during his US visit.

He will conclude his US trip by addressing the Indian community in California's Silicon Valley. The Indian diaspora has organised a Madison Sqaure-like grand reception for the Indian Prime Minister at San Jose on 27 Sepetmber.

(With inputs from IANS)