Clean Bangalore

I have been to Bangalore couple of times. Unfortunately every time I was either staying much outside of the city in whitefield etc or stayed hardly one or two days travelling back-n-forth to whitefield which is so far from city. This time around I am staying almost in the center of the city and getting to go around roads so beautiful.
Many roads were lined with walls painted with pictures of mythology or places of interest around Karnataka or similar things. It was pleasant surprise to see that the pictures were not only beautifully painted, but they were also well maintained. No one seemed to spit at them. No one seemed to feel like relieving themselves on the wall side. Now thats what Mumbai residents (and the new residents coming over here from the whole country)!!