evidence: A circular purportedly from Indian Oil Corporation is going viral claiming that filling petrol in vehicles to their maximum limit can lead to an explosion in the fuel tank. [...] It is being claimed that Indian Oil has warned against filling petrol in vehicles to their maximum limit can lead to an explosion in the fuel tank. The circular has claimed that this might happen due to increasing temperature. The message, which has been forwarded many times, further asked people to fill only half the tank and to keep room for air. It also urged people to open the petrol tank once a day to let the gas build up inside come out. The information given in this photo has been asked to share with family and friends.