New Delhi, March 10 -- Two of the three venerable consulting companies have offices close to where Bertie works. One of Bertie's batchmates, Ken, has been a lifer at one of the firms, and on the rare occasion that he is at his office, Bertie tries to catch up with him. To be honest, ever since he was asked to calculate the number of ping pong balls that can be fitted into a Boeing 737 in a consulting interview, Bertie is not a fan of Ken's tribe. Bertie had laughed at the question, thinking it was a joke, but sensing that he was the only one laughing, he had then undertaken multiple geometry operations in his head to arrive at the answer. The number that he had come up with, Bertie was told, was more than the global production of ping pon...