ITC - QUERY

Dear Team,

I am a retailer at Dharwad, Karnataka  and have a query wrt GST.

 I Have filed GSTR1 of MARCH 2020 – 21  on 30 – 12 – 2021. My customer has reported he has not received GST input since I have filed it late.

Please help me clarify as to when he might receive the GST input the respective invoices pertaining to MARCH 2020-21..

Request you to kindly assist me in this regards, I’d be really humbled for your valuable support and guidance.