With reference to the effects of the proclamation of National Emergency on the life of Lok Sabha, consider the following statements:
1. The life of Lok Sabha could be extended by only six months at a time.
2. The term of 5th Lok Sabha was extended than its normal period, as National emergency was in force at that time.
3. Parliament can extend the life of Lok Sabha by passing a law to that effect with simple majority.
How many of the above given statements is/ are correct?