In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
In Greek mythology, it is said that Lycurgus, the ruler of Sparta, ......(1).........a promise from his .......(2)........, assuring him of the immutability of his laws till he returned from an .......(3)........journey. To make his laws immutable, Lycurgus ……………(4)…... Seven justices of the Indian Supreme Court on a historic day in 1973 christened themselves as modern­day Lycurguses, seeking to create, in India's constitutional context, an island of immutability, .......(5)........titled the "basic structure".