NSC investment interest

Dear Sir,

we have invested Rs.50000 in NSC on 29 January 2022 And maturity value Rs.69475/-date 29 January 2027. But Principal amount and interst up to March 2022. yet not reflect in AIS form.
(1) Can we need to show interest up to March 22 in ITR or show all interest Rs.19475/- maturity time.
(2) If yes how much interest up to March show in ITR.
(3) In ITR which cloum show interest from NSC. It includes in saving bank interest or add one colum and show the same
please suggest Sir,