Excess CST payment made, what to Do?

Hi! I am Shripal here

     Today first time I have paid e-return payment of CST through internet. After making the payment when I have check my bank accoun I founf that the payment is made twice. i don't now how is that but now what should I do ?  Can I adjust this excess payment in next CST return of quarter-4 of the same year 2010-11 ? Amount is Rs. 8135/- 

     Please help me with your valuable reply. Thanking you.