There’s something unsettling about the idea that six ordinary days can reroute an entire life.   Not years. Not decades. Six days.   That quiet tension hums beneath Six Days in Bombay, the latest standalone from Alka Joshi, and it caught me off guard. I went in expecting historical richness and atmospheric detail. I did not expect to feel personally confronted by a young nurse’s hunger for a life larger than the one she’d been handed.   We meet Sona Falstaff in 1937 Bombay —