Hi Akshara,
These are the steps for COAP 2020 Registration and Log-in :-
i) GATE Registration Number(s)
ii) GATE Paper Code
iii) GATE Score(s)
iv) Name of the Candidate (as per the GATE registration)
v) Date of Birth vi) Email ID
vii) Mobile Number
You may refer to the official Information Brochure of COAP 2020 - http://coap.iitm.ac.in/pdfs/COAP%202020_IB.pdf
Feel free to ask doubts in the Comment Section.
I hope this information helps you.
Good Luck!
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