Indigo Airlines — Refund due to missed flight

Address: 831001

Website: Goindigo.com

PNR Y71PUI: Due to delayed flight due to Fog in Bangalore, we missed Bangalore to Ranchi flight. 7 passengers were put to hardship We had to stay overnight in Bangalore and catch next day's flight. Refund being offered is rs. 3500 as against total cost of over rs.72000. Please consider the refund amount since situation was beyond control
B.chandra shekhar