Death compensation for a tax payer

for any other reason of death what to do ?

Respected Rajasekar, 

My husband died accidentally in 2007,but I have no idea of last three year returns to submit for composation from income tax department. Can I submit now my husband's last three income tax returns. I have his last three years income tax return copy. Please give me answer. My email address is murtipdesai @ gmail.com .