Patna-bound airfares have begun soaring ahead of Diwali and Chhath with passengers from Hyderabad, Chennai, Mumbai, Delhi, Ahmedabad, Kolkata, Lucknow and Ranchi facing steep increases for travel around the festive dates. Patna: Patna-bound airfares have begun soaring ahead of Diwali and Chhath with passengers from Hyderabad, Chennai, Mumbai, Delhi, Ahmedabad, Kolkata, Lucknow and Ranchi facing steep increases.