I actually read that as you mentioned something along the lines previously as well and then I read another post that this is true for those who have a salary account with the bank. In my case that is not the case but I can still try sending a message on X. It won't harm. Although I don't think they would have any way to proceed as they won't have any information in their system about me so most likely they will redirect me to branch - an option I have tried earlier (last year) and the insistence was not as much on salary as it was on salary account which is just not possible as my company does not has a tie up with them.