You can download the results of the 1951-52 and 1957 Lok Sabha elections from this page
The variable names on the top row should be fairly self-explanatory, but a description of the variables is presented here.
You can download the files by clicking below, and they are also available as zipped files.
Download 1952 election results (439KB) or zipped version (113KB)
Download 1957 election results (366KB) or zipped version (90KB)
You can also download the MS Access database.