Solar Impulse 2 cruised at altitudes of up to 9,000 metres and at an average speed of between 45 and 90 km per hour.
Fifty-six-year-old Piccard, who completed the first non-stop flight around the world in an air balloon in 1999, said he and his team were hopeful of getting permission for landing in the two Indian cities.
The aircraft has to fly through five consecutive days.
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