send length and width both the dimension for this. Just with one dimension, it's not possible to give any suggestion.
Also mention, if you have more than one side road in your plot.
My house is North and East facing two side road north is 45' and east is 65' where should i place the main entrance of the house
North is 30' road
East is 20' road
South neighbouring plot
West neighbouring plot
Where to place
Main door, Main entrance, 4BHK