Rebate on home loan (land loan and construction loan)

Dear Members,

I have a taken land loan in the year 2011 and i am paying EMI (Principal and interest) since then , but have not claimed any rebate

I have taken a home loan ( construction ) of house in the same land and the construction is completed in Jan 2014 and EMI started.

Now in the year 2013-2014 what are all the rebate i can claim.

Land Loan Principal 30446 Interest 80362

Home constrction loan principal 4347 ,Interest 22341, My  Pre EMI 56,143 

Also please let me know if i can claim any rebate on the principal and interest paid during (2011 to 2013) on my land loan

Thanks in advance

madhu