When I tried to read some on this bird, I realised that this bird has been extensively studied since a long time. There is a more popular variant of this tit, known as the Great tit, which occurs all across Europe. The Great tit shows very good adaptability to the human presence, and also great adaptability in general, and has therefore apparently led to and aided a lot of research.
The grey tits, on the other hand, predominantly occur in Asia. They are believed to forage mostly in pairs through the winters and then summer is their normal breeding season. They communicate in pleasant twitters (yes, I know...it occured to me too).
And now to the photographing part of it. Grey tits, despite their busy continuous bustling, have given me some good frames to capture. They keep frequenting the branches near my house. I have also photographed one (the third one below) at the chowk near the Akurdi-Nigdi Pradhikaran dumping grounds, where I used to wait for my morning office bus. It sure makes for a lovely subject to capture in a photograph.
-Vindy