Default Official Firmware not working GT-I9152

I flashed the firmware using odin and followed the steps
1. selected PDA and the tar.md5 file (1.31 gb)
2. connected the mobile in download mode
3. flashed and the flash completed and removed the device and it started then the bootscreen keepa on goin nothing comes after it

And now custom rom is also not working it also stucks
plz suggest me sumthing samsung is taking 1500 rs to flash and if not worked change motherboard of 9000 rs

I downloaded the atock FW from

Device : GT-I9152 Mega 5.8 Duos
Status : Custom Bricked