These kids like yellow.Vrushank wears bright cargo pants and sis Bhoomi's T-shirt matches it exactly, as the duo clambers into an infant cousin's cot, precariously rattling it till rebuked.Shweta, their mother, turns off the Zee Sa Re Ga Ma Challenge blaring in the background, throwing the kids a mild scolding. On cue, Bhoomi litters notebooks across the floor right in front of the television sets, and pretends to be studying. Silent as an occasionally giggling dormouse, her furtive irrepressible smirk is a dead giveaway. The 11/7 blast trains, a year laterVrushank stakes no such claims at...