There is a time frame with in which you have to get rectification of name in qualification records.
It is not an easy task to rectify records after ten years.
There may not be any problems as you have already completed degree, B.ed , , M.ed and MA English.
Contact a local advocate and get notarized affidavait stating that all these names were to one Melikiraju Salibindla.
You wanted to keep this name but still keeps your name as RAJA Reddy. Unless you fill your application, authorities will not add tags and tails .