GST REFUND

1. collect all export BOE copies
2. prepare ITC report (excluding capx)
3.BGM Data against BOE
4.Export Documents against refund amount
5.draft copy RFD1
6.all documents verify with your GST circle office .
7.after verification GST Circle officer.after that's submit RFD 01 in online.
8.if Refund amount very high then again GST dept will issue the deficiency memo for further clarifications.

I recd deficiency memo

submit document as per notification 16/2020

please help me what document he is asking for