Mujhey koi esa software chahiye jis main HARD DRIVE ka data permanently erase ho jaye.. aur baad main recover karne se bhi wapis naa aye...
mene apni aik hard drive sale karni hai... aur os main se data erase karna hai taake wo banda data recover na kar paye...

PENANENTLY DATA ERASE HO JAYE...
recovery main wapis na aaye,,,

thanks in advance......