Yutopia is a flagship device by Yu after the success of Yu Yureka and Yuphoria.This beast came up with lots of new feature and power hardware running on android lollipop 5.1.1 Cm12.1.But you have to wait for official Cm13.
Till then you can try the unofficial Cm13 rom for yutopia by XDA dev Santhosh M, Thanks to him for cooking Cm13 for yu yutopia [sambar].The basic functions are working in it and there are some bugs in it also.For bugs and reports visit XDA thread here you can get updated bugs and stability report.
So after watching the bugs are you OK with it? YES !! then start the guide on How to install Cyanogenmod 13 aka Cm13 rom in Yu Yutopia.Make sure you have rooted the device and have custom recovery install in your device.Also, make a backup of your current rom so that you don’t face any problem in reverting back to your old rom or in the case of boot loop.
#How to install Cm13 Rom in Yutopia
1.Download official CM13 Rom for Yutopia and the appropriate Gapps 6.0 package from a link given below Copy it in your in your device.
2.Now place the Cyanogenmod 13 rom and gapps 6.0 zip file in sd card.
3.Now reboot to TWRP Recovery mode
4.Then flash CM13 android marshmallow rom and Flash gapps 6.0 immediately from the recovery.
5.Now Clear cache and Clear Data from twrp recovery.
6.Reboot your device.Done! you just flash cyanogenmod 13 rom in your Yu Yutopia.
Enjoy Android Marshmallow 6.0 on Yutopia