Which ITR form should i use?

I have to file the returns for a person who has the following incomes

1. Income from Salary (worked part time in a company.16A is available for the same)

2. Loss on sale of 2 House properties

3. Nil Income from the business (He is also a partner of an LLP but for the year since the business has resulted a loss he didn't get any income from it)

Now which ITR form should i use to file his returns??