Section 44ae and return 4s

i m doing transport bussiness and i have 2 trucks . during the course of bussiness i used my truck as well as hire it frm market and transport goods . and i m not maintain my books of accounts i want to know that section 44ae is applicable on me or not . if applicable than what abt my those income which i earn on from hire truck. is this possible on two truck section 44ae is applicble and on hire truck receipt section 44ad is applicble please sugest me