Android One smartphones in India, the Micromax Canvas A1, Spice Dream Uno and the Karbonn Sparkle V have started receiving Android 5.1.1 Lollipop update. It doesn't add any new features, but is more of a security and bug-fix update.
Android 5.1 Lollipop was rolled out to these devices back in March. The Lollipop 5.1.1 OTA update is just 11.8 MB in size and is currently rolling out. You will receive a notification, if not just check through Settings -> About phone -> Software updates.
