Hello everyone here is a backup of India Stock TWRP rom for HTC Desire 820 2 sim.
Please use TWRP recovery to restore this backup.
Rom TWRP backup:
Download saved to the memory card / storage / extSdCard / ClockworkMod /.
The CWM or TWRP you enter -> select Restore -> Restore to sdcard -> Wait until notified Restore machine is successfully complete offline!
Done Reboot System now you choose to exit the CWM, TWRP.