Tamil Nadu Electricity Board [TNEB] — refund tneb exam fee

Address:

600103

On 27/02/2018 i have made online payment for tneb ae exam to me and also for my frnd. That shows pending status for payment. But rs590+rs295=885rs deducted from my account. Afterwards it shows that "refund process started take challan and pay in bank". Now i paid in bank but my money is still not refundable to my account. Kindly provide solution for it...
My reg. No : 202075 (P. Suryakanth)
My friend reg. No : 234406 (K. Gokulnath)