It was like a rare alignment of the planets: several factors come together to pull me out of my usual Ranga Shankara ambit for watching a play. I had not been to visit Bangalore International Centre, which opened a while ago in Domlur; Bangalore Little Theatre, as part of their "VP 80" festival, was staging "Credit Titles"; the play, written by Vijay Padaki, whose 80th birthday the festival marks, was based on a story by Vinod Vyasulu, an eminent economist whom I've known for a long time, as our daughters share a cose friendship dating from 1988. And last but…