Lava iris 504q+ is an awesome handset with Mediatek 6582 chipset.
Here's the simple way to root this device using Framaroot app..
1- Lava iris 504q+
2- Framaroot app version 1.9.0 (Download from below thread link)
1- Download framaroot.apk v1.9.0 from below link
2- Install the app (If some warning comes while installing tick on the check box and select install anyway)
3- From drop down menu select install super su. (By default it'll be selected)
4- Click on barahir.
It'll show succes Super user and su binary installed..
That means your device has been rooted
5- Reboot your phone
-In app drawer you will se super su app.
-You can verify root access by dowloading Root checker app from play store
Credits to the developers of framaroot app
-I or xda is not responsible if you brick your device. :P
-Rooting voids warranty
-Do at your own risk
Download newest version of framaroot.apk from here: