Rooting micromax in 3 Steps

How To Root Micromax Unite 2 A106 Without PC [With KingRoot App]

Get KingRoot application fromDev Host.Install KingRoot application like a normal application.Open the application and on the main UI, tap on the big green circle with a circle of lock in which you can read some Chinese text withRoot button.
Tap on the big button to root next to the arrow.

It will take some time to root the phone.As soon as you see a tick mark in the circle which means your phone has successfully rooted, you can tap the blue button below which will appear after the rooting has been done.
Tap on the button next to the arrow.

Reboot your phone!

The application will install KingUser application which is better than SuperSU and works perfect with MTK devices especially with Micromax Unite 2. In case if you want to install SuperSU, just install SuperSU from Google Play Store and update the binaries using normal way.

Rooting With Baidu Root App [May Not Work With All The Phones]

Open Settings and then move to Security and enableUnknown Sources. Just tick unkown sources and accept the warning.Get Baidu Rooting Application from it's official website: Clickhere to visit Baidu Root. Don't open the website from Google Chrome (using a phone), because it appeared wired there. Try opening it with Opera Mini.
Download Baidu App to Root MT6582 on KitKat/Micromax Unite 2

You will see a blue box with Chinese language written in it. I haven't translated it so I don't know what's written there. Just click on this and you will be prompted to downloadBaiduRoot_2001.apk. SelectSave and download the application.Open any File Explorer application if you have and open SDCard>Download.Now tap on BaiduRoot_2001.apk and select on Install to install this application in your phone.Open the application from app drawer.Now select Root button with some words written in Chinese language. Wait for some minutes and let the application download some binaries required to root the phone.You will see a popup. Press back to close the popup.Finally you will have a rooted phone. Now reboot for changes to take effect.Now you can uninstall this application.Further more you can installSuperSU application after rooting your phone and can uninstall Kinguser application if you want, but uninstall only if you have alternative Superuser application, else your phone will not have root access.