Siddharth Bhattacharjee Part 1 Monday mornings had a peculiar smell at Dalal Street—part anxiety, part ambition, and a solid dose of stale filter coffee. For Rudra Sen, senior broker at Kothari & Sons Securities (no Kothari worked there anymore), it also smelled like danger. Not because of the stock market, but because his ancient laptop, nicknamed “Laxmi”, had a tendency to start only on alternate days. Today, unfortunately, was not one of them. Rudra’s day began, as always, with a lecture from his boss, a man with a moustache thick enough to have its own Aadhaar card. “Sen, Sensex is…