Query regarding under which section i need to submit my itr

Dear Sir,

Presently i started a sole propriotor business. I am on the business of giving commercial vehicle for hire for that i am charging an sum of rupees. i had 4 vehicles . Now i am in a dilemma  under which section do i need to get my returns filed. Either 44 AD or  44 AE. Besides i do some small portion of income from Salaries . Please guide me in which way can i return my files legally without any discrepancies.