filed itr 4 instead of itr 3

foram ghiya (80 Points)

04 August 2018  
Actually yesterday I filed ITR 4 of wholesale and retail business in hardware and sanitary..

Then after searching more about itr I came to a conclusion that it's a proprietor ship so it should be filed under itr 3...

can anyone give solution for it?
or itr 4 will be ok?
Do I need to revise return?
if so what will be the time limit for the same?