The Supreme Court in various cases included/reiterated various provisions as basic features. Consider the following pairs:
1. Kesavananda Bharati case — Federal character of the constitution.
2. Minerva Mills case — Harmony between Fundamental rights and Directive principles.
3. S.R. Bommai case — Principle of secularism.
4. M. Nagaraj case — Free and fair elections.
How many of the above given pairs are correctly matched?