The question names four decisions and asks which one specifically condemned the repeated re-promulgation of Ordinances, without ever placing them before the Legislature, as a "fraud on the Constitution." Testing each case against its actual subject matter answers this by elimination.
- R.C. Cooper v. Union of India, AIR 1970 SC 564: This is the bank nationalisation case, dealing with the validity of acquiring the undertakings of major banks and the constitutional guarantees around property and compensation as they stood at the time. It has nothing to do with Ordinance-making power or re-promulgation.
- Shamsher Singh v. State of Punjab, AIR 1974 SC 2192: This decision concerns how the executive power of the Governor and President is actually exercised, holding that such power is ordinarily exercised on the aid and advice of the Council of Ministers rather than personally. It addresses the working of executive power generally, not repeated Ordinance re-promulgation.
- Krishna Kumar Singh v. State of Bihar, (2017) 3 SCC 1: This is also a significant Ordinance case, a seven-judge bench held that a lapsed Ordinance does not automatically create irreversible rights and that courts can examine whether re-promulgation was a colourable exercise of power. It builds on the idea of misuse of Ordinance power, but the specific description of the practice as a fraud on the Constitution had already been coined in an earlier decision that this one refers back to.
- D.C. Wadhwa v. State of Bihar, AIR 1987 SC 579: Here, the State of Bihar had kept re-issuing the same Ordinances, in some instances for over a decade, without ever placing them before the State Legislature for enactment into law. The Supreme Court held that this defeated the constitutional scheme, under which Ordinance power is meant to be a stop-gap measure only until the Legislature can act, and described the practice in strong terms as a fraud on the Constitution.
Since the case that coined this description for the practice of endless re-promulgation is the Bihar Ordinances case, that option matches.
The correct answer is D.C. Wadhwa v. State of Bihar, AIR 1987 SC 579.