Vijay Sales — excess payment deduction

I Purchased A LG Fridge From Vijay Sales RMall Ghatkopr On 19/05/2018.
At The Payment Counter The Cashier deducted Excess Amount (He Swiped My Debit Card twice) He Informed Me That The Excess Amount Would Be refunded In A Fortnight. Till Date I Have Not Recd. The Refund.

Though I Have Tried To Resolve Through Phone. At Present I Am Aboard And Interact Physically And Unable To Resolve Across The Table.