Help !! Desire 816 stuck during root.. Please Help

Im stuck during root.. I did the bootloader unlock.. and when I was loading the recovery in softboot mode, it was done, after that when i booted in hard boot, I think probably (I'm not sure) my data cable might unplugged for a while.. after this my cell got stuck and back light of the cell was on.. And it was stuck.. After that battery got drained and phone is dead now.. what to do Im so much worried now.. Please help..
How to charge and switch the mobile to normal state?? cause its not charging with charger now, charging light keep on blinking..