Urgent plz help me out

prasad (student) (36 Points)

24 September 2011  

Hiii every one...i've got so many doubts regarding some sections...plz suggest me some sections under which i can claim the maximum refund...plz explain me about section 80dd..is it only for expenditure on disabled dependents???. what if money expended on depedents with out any permanant disability for hospitalisation?? plz suggest me the section under which i can claim the refund from CPC...what is the maximum amount that i can claim under this section??? do i need to forward the medical bills along with ITR V???  what if some money is expended for self medical treatment?? and plz tell me the last date for efiling of income tax for individuals for AY 20111-12...thanx a lot in advance.