He is due to hold one-to-one talks with Xi.
"A special moment past midnight as PM @narendramodi was warmly welcomed in Wuhan for the 1st Informal Summit with Chinese President Xi. The two leaders will review the developments in our bilateral relations from a strategic and long-term perspective," External Affairs Ministry spokesperson Raveesh Kumar tweeted.
During their summit, the two leaders expected to work out consensus between the two countries to resolve a host of issues, including the boundary question.
Also, the leaders would meet 6 times in these two days.
Officials said no agreement would be signed during the informal talks.