Kalki Koechlin edgy beauty in Sabyasachi at the Marrakech International film festival Actress Kalki koechlin showed off her dark-side in a black Sabyasachi outfit with antique gold statement head-gear at the Marrakech International film festival. The top-to-toe black dress was accompanied by a gold embellished black duppata. Kalki attended the event with hubby Anurage Basu, who had come for his…