Rajiv Gandhi Proudyogiki Vishwavidyalaya [RGPV] — Exam form Refund

Sir,
i was filling an exam form ( of 1850 rs) of 3th sem in rgpv website. Their was error encountered that "missing dot net". This problem comes 3 times. My amount is debited (1850*3 = 5550) . After that i have checked on next working day exam form status shows that it is filled.
But their is extra transaction of 3700 and i m calling to rgpv they are picking up it is 3 month passed they have not pick up the call i have also mailed it about it they are not responding nor my amount is refunded.

Transaction id are[protected],[protected],[protected] union bank of india