Actually issue was dd commands and revone wasn't working for tampered so tried the guru rest and voila it worked.Now atlast everything's back to stock now i can give htc my phone and tell them to change it or repair it cause of the imsi issue im facing with the phone which happened after i got jtag brick repair.
well, if all is good now, please edit the main thread title to include [SOLVED] (go to 1st post click EDIT, at the bottom of the edit window click GO ADVANCED, then you can edit the main title), thanks
PS: pressing the thanks button wouldn't hurt either on the useful posts