We are usually awake by 0630 each morning in Bangalore. Here are two photos of one of the natural alarm clocks. I took the photos in my garden on Tuesday morning.
I think this bird is a drongo, but I’m not sure which kind. There are ashy drongos and black drongos, and a greater racket-tailed drongo; as far as this household is concerned, they are just the noisy early-morning drongos.