Tantalizing cocktails, haute cuisine, avant garde decor and a lively bar scene are just a few of the reasons MANTRA is among Boston?s premier fine dining restaurants. MANTRA offers a unique menu that is a sophisticated blend of French flavors and techniques, emboldened by subtle Indian "accents?. The atmosphere combines the stateliness of a large turn-of-the-century former bank building with the modernism of laser-cut steel mirrors, chainmail drapery, leatherette upholstery, and a 30' woven wood structure affectionately called The Hookah Den.