yeah thanks for it i did try that i unpluged secondary hard disk(OSx86 installed) and tried windows 7 starrtup repair with win 7 rtm dvd
it took few seconds and replied restart to check if problem is fixed!!!
and i did restart and same Boot mltr missing
plz some one help me now i want atleast one OS to work on
im clueless now!!!
i did mistake i havent unplugged windows 7 installed hard disk

!!!
i cant do fresh install too as hard disk got 300GB datas in Windows 7 hard disk