Dear Respected Client
Hope you are doing well
As I understand that you have 2 queries, one is for deduction on account of amount paid to Bank which includes Principal as well as int. And Second is for Registration Charges.
Please find below my point wise reply:
If your property is under construction then you can't claim deduction even u/s 24 or u/s 80C.
Deduction of principal repayment will be allowed from the year in which possession or completion certificate obtained. prior to that period no deduction will be allowed. Repayment of principal is allowed deduction is allowed u/s 80C which u can't avail as property is still under construction.
Section 24: Deduction will be allowed from the year in which which possession or completion certificate obtained. If property is self owned than maximum deduction of 2Lac can be obtained on account of repayment of interest. Interest prior to that year will be allowed in 5 instalment beginning from the year in which completion certificate obtained.
Deduction of registration charges can also be claimed u/s 80C.
Hope you will find in order.