Hi Tharun ,
Try this :
=(MID(E2,4,3)&LEFT(E2,3)&MID(E2,7,4))+RIGHT(E2,LEN(E2)-10)
The above will convert the data in column E to proper date + time combinations ; now you can use the MONTH( ... ) function or the TEXT( ... ) function to retrieve the month in your desired format.
Narayan