He took off in the same aircraft after about an hour once the snag was fixed. Earlier this morning, the aircraft had to return to Delhi 30 minutes into the flight as a technical snag was detected. 

Sources said using a different aircraft for flying President to Chennai was mulled, but the technical snag was “minor” and fixed quickly to enable the President take the same aircraft to Chennai. 

There was a problem with one of the filters, they said. The aircraft had reached Agra when the snag was detected.