According to comments posted on www.gogi.in, Redmi Note 3 supports CDMA, perticularly RCDMA. plz visit link mentioned below for details.
https://www.gogi.in/xiaomi-redmi-note-3-review.html
A Xiaomi Redmi Note 3 user has also posted speedtest results. plz visit link mentioned below for details.
https://drive.google.com/folderview?id=0Bzx00rUKJDoPcnB6cTh3V1BQYkE&usp=sharing
I am mentioning above links as I am interested in buying this phone to use it as CDMA + GSM combo handset with Tata Indicom as CDMA service provider. However Redmi Note 3 users are facing problems to obtain or maintain data connectivity as it has happened with Honor Holly 2 plus .
As, RimWebians are more experienced & more helpful for CDMA support & handset tweaks, I am begging u all to help me.