The fee structure has been uploaded at the school oficial website for youe help.I will copy it down here for your reference.

GRADE    TUTION FEE(QUARTERLY)    ACTIVITY FEES(QUARTERLY)    TRANSPORT FEES(QUARTERLY)                                                                                                                                              
KG-III        9,500/-                              3,000/-                                7,800/-
IV-VIII       10,500/-                              3,500/-                                7,800/-
VIII-X        12,000/-                              3,200/-                                8,300/-
XI-XII(Sci) 16,000/-                              2,000/-                                8,300/-
XI-XII(Arts/Comm)13,800/-              3,000/-                                8,300/-

 Annual fees, Admission fees, and other fees will be admissible extra as per rules.

Hello Seku,
Please refer this below link
https://npsis.in/fees-and-payments.php
In this link whole fee structure with annual admission and other charges.It is an official link.You can check the list according to your preference.This link include fee from kg to 12 science arts and commerce
Hope I cleared your Doubt.All the best for future endeavour!!!