The two leaders will leave for Mirzapur, where they will inaugurate a solar power plant, before returning to Varanasi.
The security has been beefed-up in Varanasi for their visit.
"Paramilitary forces, Black Cat commandos and a team of Anti-Terrorist Squad (ATS) are also present here. Our whole intelligence wing is present," said the District Magistrate, Varanasi.
In Varanasi, the two leaders will visit the Deen Dayal Hastkala Sankul. They will interact with artisans and view a live demonstration of their crafts.
Prime Minister Modi and President Macron will then arrive at the famous Assi Ghat in Varanasi, where they will board a boat for a ride along the Ghats of the Ganga, culminating at the historic Dashashwamedh Ghat.
In the afternoon, the Prime Minister will flag off a train between Maduadih Railway Station in Varanasi, and Patna. He will launch various development projects and address a public meeting at the DLW Grounds in Varanasi. (ANI)