Bank Of Maharashtra — Complaint about bad behaving of staff member.

Dear sir,
Mera naam Mahesh M. Tawade hai me bank of Maharashtra ka costumer Hu ..aj 29 June 2017 ko bank me mere Bhai ka account open karane ko Gaya to ground staff ke ek member ne bola ki form nahi h .lekin Mene notice kiya ki ek admi ko usane a/c opening form diya esiliye Mene 2/3 baar request kiya to vo chilane laga aggressive ho Gaya aur mujhe bola kahi our bank me a/c kholo ..aur mujhe assistant manager ke samane Dhaka dekar bola ki Tu complaint karane wala h na na ke kar ...aur Mene jab us adami ka naam janane ki koshish ki to bank ke kissi staff ne usaka naam nahi bataya.
Pllzz submit my complaint take a legal action ...Thank you