In his speech, Xi also delivered a stern message to the separatists, saying "any action that separates the country is doomed to fail".
For a period of time, China-India relations have enjoyed a momentum of positive development, with deepening pragmatic cooperation and increasingly active people-to-people exchanges, the Chinese president said, adding that China will work with India to maintain such a momentum. Today, Chinese people are striving for the goal of the building of a moderately prosperous society in all respects by 2020.
"We will devote more energy and take more concrete measures in ensuring and improving people's living standards, strengthening and developing new approaches to social governance, resolutely winning the battle against poverty, promoting social fairness and justice, and making steady progress in ensuring people's access to childcare, education, employment, medical services, elderly care, housing, and social assistance", said Xi.
This precarious situation has always been a source of tension between Taipei and Beijing, but now that Xi can potentially serve as president for life, "he can execute strategies that last decades rather than years", such as regaining control of Taiwan, says CNN.
"China will never develop itself at the expense of the interests of other countries", he said. "Only those who're given to threatening other people will perceive other people as a threat".
Kerry Brown, director of the Lau China Institute at King's College in London, believes that Mao had penetrated the inner lives of the Chinese people which is not happening in the case of Xi.
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But since his rise to power past year , Mohammed bin Salman, or MBS, has been a controversial figure. The deal is coming up [for sanctions relief renewal] in one month, and you will see what happens.
During the 40-minute address he hailed China's achievements through history, including the construction of the Great Wall and the invention of paper.
The comments were a clear warning to places like Taiwan, which is self-ruling but considered by Beijing to be a a rebel region that must be reunited with the mainland - by force if necessary.
MR XI, on challenges China faces overseas.
In his speech at the start of his second term, with the prospect of more terms after a constitutional change last week removed term limits for the presidency, Mr Xi displayed some humility. "China is resolute in upholding its own territorial integrity and will not abandon an inch of its own land".
China was angered by legislation introduced by Donald Trump which encourages exchange visits by high-ranking USA and Taiwanese officials, thereby raising the island's diplomatic status.
"I am convinced once the 1.3 billion Chinese people carrying on such big dreams we will certainly translate into a reality", he said, drawing loud applause from his audience inside the Great Hall of the People.