Gst using by someone

mohammad tarique sohail (accountant) (196 Points)

22 February 2023  
hello ,
I have a registered gst tax payer from 2018. when I go to registration on flipkart as a seller and put my GST number showing message there, this Gst number is already registered. when I contact to flipkart assistance they said the same. where should i complain. should i go for FIR.
Please suggest me.