RETURN FILED

Yes you can file

You may not file if income is below 250000/- the threshold limit. Otherwise if >250000 you must file.

Yes, income tax return can be filed even for minors. However the income earned by him should be from his own skill and talent. Else, the same would be clubbed in the hands of parents whose total income is grater.

Yes , you can file....

Any minor can have PAN card also (even a 1 day baby)

Pan card is not an identity for an individual.
But its certainly an obligation for an individual to disclose his source of income.
Every year as per the finance bill
is tabled in the parliament.Certainly income tax slab for all assesses are announced for a year.
In this case the querist has not mentioned quantum of income.

Any individual can have a Pan card.

All persons specified in 2(47) can have PAN Card

Sec 2(47) is not associated with pan