Install Stock Rom on dead screen phone
Spflash tool is supported for your device. Thus you won't need to turn on your phone. You'll first have to install the drivers for your device on PC. Then download the stock ROM for your device. Then remove the battery and flash via spflash tool. 

This might help you: http://www.gogorapid.com/flash-stock-rom-iball-andi-4-5-k6/