New Delhi [India], May 14 (ANI): Vistara Airlines has advised its customers to prepare accordingly, as heavy traffic congestion and slow vehicle movement are expected en route to Varanasi airport on Tuesday. In a post, Vistara said, “Heavy traffic congestion and slow vehicle movement are expected en route to Varanasi Airport on May 14th. Customers are advised to allow more time for their journey to the airport.” Notably, Prime Minister Narendra Modi is to file his nomination for the Varanasi Lok Sabha seat on Tuesday. Ahead of filing the nomination, PM Modi held an extravagant roadshow on a fi…