Gujarat Technological University — gtu summer exam fee refunds

Respected sir/mem, i am bela sudani. I have student of 8 sem e. C. Engineering in gec modasa. I have fill up my gtu summer examination 2020 fees at 20/03/2020 and my fees was cancelled by sbi collect. But till 24/03/2020 my fees not refundable. So what should i do? And second time i also repay my fees. I want my money back in my account. I am join my screen shot in the complaints which was proof of my money was going but fees was not payed.