Consider the following statements with respect to the provisions of 'Martial Law' in India"

1. 1.The 'Martial Law' can be imposed only on the ground of 'armed rebellion within India'.
2. 2.The declaration of Martial Law automatically results in the suspension of the writ of Habeas Corpus.
3. 3.'Martial Law' is defined by the Constitution as 'military rule under extraordinary circumstances.

How many of the above given statements is/ are correct?