Itr

any one help me one of my client having income from two truck operating,and two truck he takes on lease and farwarded to company, he give all these four trucks on lease to a company and receive near about Rs 720000 i want to file his itr under itr4s by showing 2trucks *12 month * 19200 per month i.e. 460800 and pay tax on it near about 15000 approx. can i do so