Yes, PAN Card is highly valid for an ID card.
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The list of valid id's are:-
. Voter Photo identity card issued by Election Commission of India.
. Passport.
....
more... PAN Card issued by Income Tax Department.
. Driving Licence issued by RTO.
. Photo identity card having serial number issued by Central/State Government.
. Student Identity Card with photograph issued by recognized School/ College for their students.
. Nationalised Bank Passbook with photograph.
. Credit Cards issued by Banks with laminated photograph.
. Unique Identification Card "Aadhaar"