Irctc — Not getting credited back the amount of cancelled ticket

Sir, i am avinash bhatta karmarkar . I have cancelled 3 e tickets on different dates but still i have not got refund of any one of them in my bank account. I used debit card of bank of baroda, since the bank of baroda option was not available in the option i was suggested to pay through credit card payment method of hdfc bank or icici bank, so i paid it through it and i got my ticket . But when i cancelled the ticket it have not been refunded to my bank of baroda account . Sir, what is the problem please suggest me please.

Cancelled ticket details:
1.
Cancellation id [protected] pnr number [protected]
Train number 15274 train name satyagrah exp
Date of journey 28-oct-2015 date of cancellation 07-aug-2015 20:38:21 pm
From delhi-dli to raxaul jn-rxl

2.
S no.. Transaction id pnr no. Total amount bank reason
1 [protected] [protected] rs 407.8 hdfcvbvpg cancelled
2 [protected] [protected] rs 500.0 icici debit cancelled

Please resolve my problem asap.
Email id: [protected]@yahoo.com