Bill Junction Dot Com — School fees payment debited from my sbi account but not credited to school account from net banking payment

Address:

RLY QUARTER NO 204/7 AND 8, NORTH SEALDAH ROAD

Sir on 5th November 2022 I had funded money to SBI our Rs. 15520.00 for Don Bosco School, Kolkata fee Payment for the Month of Oct-22 to Dec'22 money was deducted from SBI account and not credited to School account and my account also .
In statement it is showing money transfered-TO TRANSFER INB Billjunction dot com TECH_BILJUN Payments
Please do the needful sir