( 1 ) THE wobbling in judicial dicta of the power to issue writ or order under Article 226 of the Constitution relating to contractual area has given occasion to the petitioners to press home that the ratio in N. T. P. C. Ltd. , vs. Bhanu Constructions Co, (P) Ltd. , (for short, "bhanu Construction Case) has been knocked off its bottom by Shri Anadi Mukta Sadguru S. M. V. S. J. M. S. Trust vs. V. R. Rudani (for short, Rudani case) and Dwarakadas morfatia and Sons vs. Bombay Port Trust (for short, "bombay Port Trust case"), necessistating to have an indepth investigation and deep look into the common questions of fact and law arise for adjudication in this bunch of writ petitions. Hence they are disposed of by a common judgment. It is agreed that the facts in W. P. No. 1039/89 are sufficient for disposal of the points arise in these cases. The facts lie in a short compass. The petitioner company is a Small Scale Industry registered as such with the Government of Andhra Pradesh. It has established a lime kiln at Piduguralla in Guntur district to burn lime. Coal is its raw material. The petitioner s unit was established on securing loans from public financial institut