Densely populated areas are located around airports in many cities and Thursday's Ahmedabad plane crash, in which at least 30 people were killed on the ground as well, has got residents worried about a tragedy like that hitting closer home.

Vishwashkumar Ramesh, the lone passenger to survive Thursday's Air India crash that killed 241 people on board and several people on the ground said Friday he still couldn't believe he was alive.

An Air India plane crashed into a medical college in Ahmedabad, killing people on the ground and leaving a sole survivor on the flight. Authorities said 269 died.