30 July 2008
Yes, he can file belated return before expiry of 1 year from the end of relevent Assessment Year.The same due date is applicable in case of Refund claim.
Section 244: Interest @ 0.50% will be payable to you from end of Financial year till the date of payment. Section 271F: Panalty of Rs 5000 has to pay in case return is file after End of Assessment Year.