The police volunteers do carry a laminated, pocket version of this map.
If you look at the big map in Bangla, you'll see that during the printing process the orange colour of businesses designated as food places looks very similar (in dim light) to that used for go-go bars (red). I now worry that newbie tourists might consult this map and then go in search of scantily-clad and sexy dancers in Starbucks and Mcdonalds!!
Simon