Consider the statement and the following assumptions and decide which of the assumptions is implicit in the statement.

Statement:
The entire north India, including Delhi remained 'power less' the whole day of $$19^{th}$$ December as the northern grid supplying electricity to seven states collapsed yet again.

Assumptions :
I. The northern grid had collapsed earlier.
II. The grid system of providing electricity to a group of states is an ineffective type of power supply system.