"My gratitude to the Government and people of France for their hospitality during my visit. This was a significant visit," the prime minister tweeted.
Modi, who arrived here on the last leg of his tour, held wide-ranging talks with newly-elected French President Emmanuel Macron at the presidential Elysee Palace.
After holding talks with Macron, Prime Minister Modi said India was committed to "go above and beyond" the Paris agreement to protect climate for future generations as he termed the UN-brokered deal a shared legacy of the world.