Whether you’re going prêt-á-porter shopping in your Loubs or scouting for some uber-cool watering hole in your green mean machine, the crescent-shaped heritage stretch of Kala Ghoda in SoBo has become the ultimate ‘adda’ for India’s rich and famous. Today, the first floor of the Rhythm House building with its wrap-around balcony houses top fashion designer Kunal Rawal’s elegantly restored …