Considered one of the best phones available in the market , launched in November 2013 , the Nexus 5 started receiving the OTA update in India. Its around 24MB in size with the build number of LMY48B.
Although the update isn’t a major one , its always good to keep your phone updated. The update focuses on bug fixes and improved perfomance and stability.
If you haven’t received the update notification yet, you can check it manually on the Settings label > About > System Updates on your Nexus.