Black Drongo

Dicrurus macrocercus

Photographed at: Ratnagiri, Maharashtra on 2016-01-16

Fairly widespread in the Indian sub-continent. You'll see them sitting on wires and branches, launching frequent sallies to catch insects.

Family: Dicruridae

Name in Kannada: ಭಾರದ್ವಾಜ / ಕಾಚಾಣ