Kids, gather around and let me tell you a story.
In the late 90s, BBMP floated a tender for the Domlur flyover. Tender was won by UP state bridge corporation. They were the premier bridge builders in the country (still are) because of their expertise in building large span cross river bridges.
Not surprisingly bridge got delayed.
First for a couple of years because steel prices went up steeply and the project turned unviable for UPSBC.
Second, because when they had built most of it after 5 years of toil and commuters could see light at the end of the bridge, they realised that the two ramps are fundamentally misaligned. Bridge was torn down and built again.
What fun.
And we're talking about BBMP executing a world class mother of all underground tunnels.