Indian Overseas Bank — My money has not been refunded to my account

Address:

Gorakhpur, Uttar Pradesh, 273001

I made a transaction through net banking services of my bank on 28th november, 2016, of 19000 INR. the amount was neither credited to the beneficiary nor it rolled back to my account. since then i have complained many times in the bank but still there is no response. i am a salaried man with very few resources to retain my livelihood,
kindly help me out so that i can get my money back
my account and its details are as under

account name:- KARNA SINGH
account number:- [protected]
bank name:- INDIAN OVERSEAS BANK
address:- BANK ROAD, GORAKHPUR
IFSC CODE:- IOBA0002067
BANK CODE:- 2067