Income from brother residing in us

As per law monetary transaction between relatives are not taxable. since you and your brother is relative it will not be taxable. apart from this for FY 2014-15 basic exemption limit for an individual Assessee is Rs. 250000.00

hence it is not taxable and you need not to file return for that receipt.

As i already said untill you have income below basic exemption limit of 250000.00 you need not file return