Bank Of India — my money was still not credited on my account

Address:

637410

By amazon i got refund for rs 1998 and they give me my amount refunded reference number but still that money was not credited on my account my reference number is[protected]. I called bank of india customer service on the very first time they said you have to wait for 10days sir after ten days i again called they said you should visit your nearest branch with this reference number and i visited bank branch too but they said your money was nit credited in your account its not a small amount to leave its 1998rs i need my money back.