Tell the BM to give you in written that they can't open the account, and state the reason for same. Bhai, he simply had to select that account from drop down, fill all details and your account would be operational by the same evening..
Tell them that social media par halla karoge. IDFC social media team is quite active, you just need to complaint and within few hours you would receive the call..
I have previously said, ya toh bank staff complete idiot ho ya pure genius. Idiot rahta toh tm guide karte, aur genius rhta toh khud kar deta.. yeh Jo beech Wale hote Hain na, unka demand aasaman barabar aur iq samajh hi skte ho kiske barabar.