Consider the following statements with reference to the Martial Law and provisions of Emergency as found in Indian Constitution:
1. Martial law affects fundamental rights as well as the distribution of legislative powers between the Centre and the states.
2. Unlike National Emergency, Martial law can be imposed only on three grounds i.e., war, external aggression or armed rebellion.
3. The definition of ‘martial law’ has not been mentioned explicitly in the Constitution of India.
How many of the above given statements are correct?