Hello Aspirant,

These are the documents required for stray round :
-printout of the registration slip of Stray vacancy round issued to them by the MCC
-allottment letter issued by MCC
All original documents/certificates such as -Admit Card
-Result/Rank letter
-Date of Birth (10thStd.)
-Class 10 marksheet and certificate
-Class 12 marksheet and certificate
-Category proof SC/ST/OBC/EWS
-Provisional allottment letter generated online
-Set of self-attested copies of all certificates and 6-8 passport sized photographs
Please visit the official MCC website to know about category certificates required according to what applies to you.
Apart from this the result notification document might be the NEET 2020 stray vacancy round result proof that they are asking about . In the MCC website under the homepage, result will be displayed on your screen in PDF format,so have a printout of that with you.

Carry all kinds of extra proofs or documents that you can just to be safe.

To be on the safer side , you can even mail them your query or contact their helpline.

https://www.google.com/url?sa=t&source=web&rct=j&url=https://news.careers360.com/mcc-starts-registration-for-neet-2020-stray-vacancy-round-check-details-here/amp&ved=2ahUKEwj7u_bChY_uAhU0yosBHaTMA04QFjAAegQIEhAC&usg=AOvVaw2tLUAKvbskQkETX5qk_e1Q&ampcf=1

All the best