Crossword Genius

Illiterate crowd in an university in India on Sunday (9)

Ross

I believe the answer is:

ignoramus

I'm a little stuck... Click here to teach me more about this clue!

'illiterate' is the definition.
(thesaurus)

'crowd in an university in india on sunday' is the wordplay.
I cannot quite see how this works, but
'crowd' could be 'ram' (I've seen this before) and 'ram' is found in the answer.
'an' could be 'i' (Roman numeral for one) and 'i' is located in the answer.
'university' could be 'ou' and 'ou' is located in the remaining letters.
'sunday' could be 's' and 's' is present in the answer.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for ignoramus that I've seen before include "Idiot" , "Ignorant person" , "Imbecile" , "Dunce" , "I wouldn't know" .)

I've seen this clue in The Hindu.
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