Before we start make sure that you have a rooted device and have install CWM Recovery. If not then you can follow below tutorials :- Rooting :-  Step By Step Rooting Guide for Micromax Canvas 2.2 A114 / Myphone Aqua Cyclone (With PC or Without PC) Installing CWM :– Installing CWM 5.5 Recovery in Micromax Canvas 2.2 A114 / Myphone Aqua Cyclone now follow the below guide for installing MIUI Rom  :- Rom Features :-

Fully MIUI ThemedBased on the Official MIUI BuildImproved Battery LifeNew Gallery and Improved CameraGoogle accounts and Play Store supportGraphics & performances tweaksOTA SupportNew Ringtones, New Boot AnimationNew and Better System UINew Notification barXiaomi Cloud and Xiaomi StoreSleek and edge to edge design and Many More

Screenshots :- Click on an Image to view the Slide Show! Installation Instructions :- Flash this Rom at your risk, i may not be responsible for any damage caused. If you got your device bricked while installing, however the chances are nil, but if you got then you can easily unbrick it by following this guide :- Unbricking Guide for Micromax Canvas 2.2 A114 / Myphone Aqua Cyclone Now lets begin installation :- Step 1 :- Please make sure that you have rooted device and installed CWM Recovery. Step 2 :- Backup your current ROM using CWM Recovery. Step 3 :– Download the ROM zip file from below links. Step 4 :– Put the zip file in the root of your sdcard. Step 5 :- Now go to Recovery Mode and do a complete wipe of cache, data, dalvik cache and system and then Select Install Zip From SDCard and Flash MIUI Zip File. Wait for few minutes, till it installs and Reboots. That’s it Now Enjoy MIUI in your device. Downloading Links :- Rom Version 4.3.2.1 or Credits :-

helloansumanJayson AquinoMIUI TeamXDA Forums

If you face any problem then please comment.