"Reverse lamps" refer to the lights at the back of a vehicle that illuminate when the driver shifts into reverse gear. They help others to know that the vehicle is moving backward. Full definition
The rear of the car has a bumper similar to that in the front which is integrated with reverse lamps. (auto.economictimes.indiatimes.com)
The base trim Ambiente variant itself comes with a bunch of new features like a new black glossy grille, black foglamp bezels, rocker and bumper cladding, dual reversing lamp, body colour bumper, black door handle and ORVMs. (auto.ndtv.com)
Major changes included a new hood and front fascia with dual intakes, retracting quad halogen headlights, circular turnsignal and fog lamps, a front license plate pocket, lower fender air vents, unified - style lower door raised lettering for each trim level, and a new «honeycomb» rear light panel, with circular reverse lamps. (en.wikipedia.org)