We had a great evening with Naushad. He speaks very good English and is able to explain sights in Colombo while wandering around to hunt for good street food. His tours are adaptable: If you want to get things from stalls at the road, he will get them prepare their dishes freshly for you and explain what you're eating. If you want to eat the best Kotthu ever, he will bring you a bit outside of town where it is served. He will tell you when he deems something unsafe to eat, so the tour is definitely great for people just arriving in Sri Lanka. Needless to say, we had trouble waking after all the amazing food. We can't recommend doing a street food tour with Naushad warmly enough!