Supplier won't add invoices for me to claim itc

I recently purchased items from a supplier in Bangalore (I'm in Pune). He charged me GST amount in the invoice which I have paid. The transaction was in Dec 2018. After the Jan 10 deadline, I did not see the invoice in my GSTR-2B. I called him and he said he would put it before the 20th, which he has not done. I know I can add the invoice in GSTR2 but is there a way to claim ITC or get a refund on the GST paid through the portal?