Official Jelly Bean 4.1.1 Update for Micromax A110

Downloads:
Flash Tool
Jelly Bean 4.1.1
Micromax Drivers

Warnings:

1. Use Laptop to flash Jelly Bean to avoid power failure(it can brick your phone)
2. Follow the instructions care fully. 

Instructions:

1. Download the files given above.
2. Extract them on your desktop.
3. Install Micromax drivers.
4. Enable USB Debugging on your phone(Go to settings>Developers option check the USB Debuging check box)
5. Now turn off your mobile. But don't connect it now.
6. Now open Flash Tool 
7. Click on Scatter Loading and select "MT6577_Android_scatter_emmc.txt"  file from the ROM
8. Click On "Firmware->Upgrade".
9. Now connect your phone.
10. When a green ring appear. Its done.
11. Enjoy.

  OR

Its an Official Jelly Bean Rom from Cynus T2.(Don't worry it doesn't effect your warranty)  

Downloads:

Cynus T2 Rom 

Stock Recovery  

Instructions

1. Put the stock rom into your SD Card.
2. Now turn off your phone.
3. Enter into recovery mode by pressing both volume buttons and power button at the same time. 
4. Now press volume button.
5. Use volume buttons to up down and touch pannels to select and go back.
6. now select "install zip from SD Card" and  then select "choose zip from SD Card"
7. Then select the "Cynus T2 Rom".
8. Restart your phone.
9. Its done.