Today earlier we started getting the Android Lollipop update for the Samsung Galaxy S4 in the U.A.E, Brazil and Baltic and now the update have started rolling out in India. This update is only for the SM-N910G model. Rest of the models will start receiving the OTA update sooner in few days (According to the source).
We have got to know that the Android Lollipop update for all the Note 4 devices will be out in India by mid of April, 2015. To check the Lollipop update on your Samsung Galaxy Note 4 device just go to Settings -> About Phone ->Software Update. Hot download as soon as you get the update on your device.