HDFC Bank — ach mandate form rejection

Address: 631502

I have got a personal loan from hdfc bank last year. I have paid my emi through helpdesk for last two months as my ach mandate form was rejected due to signature mismatch. I got a letter from your side last month, stating that ach mandate rejected. I am going to verify my signature and submit a new ach mandate form tomorrow. I jus want to know whether you are going to send me a letter to my home again?