IBR Achiever - Sian Lakdawala, Grade VII-D IBR Achiever (born on June 28, 2013) of Mumbai Suburban, Maharashtra, is titled as ‘IBR Achiever’ for solving 10 types of Rubik’s Cubes, namely 2 × 2× 2 Rubik’s Cube, 3 ×3 × 3 Rubik’s Cube, Pyraminx, Skewb, Mir