Corporation Bank — Not responding

Address:

Chennai, Tamil Nadu, 26

Dear sir,
I am Alin pani live in chennai. I have given request letter to the ashok nagar branch chennai. For transfer my account from Visakhapatnam to chennai. On 16/12/16
But still it's not done. I don't understand that why it's not happening. where or which sides has problems. I have called Visakhapatanam branch also they told me it is not came to the beach but ashok nagar branch telling me that they send the on that day only.