Can someone help me in flashing the rom for micromax canvas 190

My phone got infected by some malware and started hanging, after googling i flashed it with stock rom using the SP tool.
After successful completion when i turned it on, the screen was scrambled like all colorful lines.
I am sure there is no physical damage to the screen. Now i am not able to enter into the boot screen using lock + vol keys also.
Its not under warranty now, thats why i tried myself. I am about to take it to the service center, Just checking if anyone can help.