Indian Railways — refund of cancelled tickets

I have booked two tickets for gorkhapur to secunderabad on dated 14/04/17 and 05/06/17 and paid the fare amount by swiping my debit card in railway counter. But due to some domestic problem i cancelled the both tickets on dated 04/06/17 and 07/06/17. But refund not received of cancelled tickets pnr no. [protected] and [protected] till now. Tickets were cancelled on 04/06/17 and 06/06/17.