principles.” 25. It has also been held in ABL International Limited and Another vs. Export Credit Guarantee Corporation of India Limited and Others3, as under: - “53. From the above, it is clear that when an instrumentality of the State acts contrary to public good and public interest, unfairly, unjustly and unreasonably, in its contractual, constitutional or statutory obligations, it really acts contrary to the constitutional guarantee found in Article 14 of the Constitution.” 3 (2004) 3 SCC 553 2126. In Jagdish Mandal vs. State of Orissa and Others4, this Court after discussing number of judgments laid down two tests to determine the extent of judicial interference in tender matters. They are: - “22. (i) Whether the process adopted or decision made by the authority is mala fide or intended to favour someone; or Whether the process adopted or decision made is so arbitrary and irrational that the court can say: “the decision is such that no responsible authority acting reasonably and