They become a multitude, the members of this small cast, moving inexorably toward collision. Pacing, circling, brushing up against one another in the opening sequences of Yael Farber’s “Nirbhaya” — the harrowing documentary drama that opened on Sunday night at the Lynn Redgrave Theater — a mere half-dozen performers evoke the explosive contingency of life in an overpopulated city.
There’s a chafing sexual friction among these bodies in motion, hovering on the edge of violence. We are, we are told, in bloated, heaving New Delhi. And it is a place where simply riding a bus, for a woman, is to be “passed from one pair of groping hands to another,” to feel that “you’re everyone’s, every day.”