u need to flash fastboot ROM with miflash then u can solve this problem
Fastboot Rom link http://bigota.d.miui.com/V22.214.171.124.KHJMICK/wt88047_global_images_V126.96.36.199.KHJMICK_20151209.0000.6_4.4_global_a49c63ee30.tgz
and for miflash http://en.miui.co...
if ur flashing from beta lp miui it will not work u have to flash kk stable and then u have to try it will work fine with twrp
download and install this rom based on CM13 and very good rom here link
and yes u need latest gapp zip from here http://devs-lab.com/2016/01/android-m-gapps-6-0-x-download.html...
Use This KERNEL http://forum.xda-developers.com/redmi-2/development/kernel-berserk-kernel-t3325044
really nice with same ROM I installed this KERNEL..
u have try to boot into fastboot or recovery?
if u boot in both then u can flash stock rom.. and fix this problem....