Sonagachi - wikipedia, the free encyclopedia, Sonagachi is the largest red-light district in kolkata, india. it is an area with several hundred multi-story brothels and estimated 11,000 sex workers.. Desirendikolkata | just another wordpress.com site, The well known and the biggest rendi bazar in kolkata is sonagachi. this is also the oldest one. one can find versatile or most varities of pimp of all ages here.. Calcutta « cityxguide forum, 17/01/2010 sunday decided to catch the metro at around 12.30 . i usually board from mg road station ,central avenue ( which is 2 stops before shova baazar if you're.