Refund of Excess CGST paid

Prathibha (35 Points)

17 December 2017  
For the month of Aug 17 - Rs.
75000/- CGST has been paid excess. Applied for refund online, immediately debit entry is made, but not credited to Bank A/c. LGSTO says they don't have guidelines on these kind of refunds.When circular towards the refunds will be released? when we will get our refund?