Rs. 100 per year of defaulting contributions.
However, even if the account is frozen, the deposited money will remain invested until the fund value does not decrease to zero. The account will be closed and you will have to further reactivate it.
A penalty of Rs. 100 has to be paid, even in the case of the Tier-II Account in case the yearly contribution is skipped or the minimum balance of Rs. 2,000 is not maintained.